Question 1

Maria starts the month with $672.33 in her checking account.
a. Maria buys a pair of jeans for $102.25 and two shirts that each cost $44.27 (with tax). She pays with her
checking account debit card. What is her new balance?
b. The jeans don't fit, and Maria returns them. What is her new balance?
c. Explain how returning the jeans is like subtracting a negative number from her balance.

Accepted Answer

The answer of Maria starts the month with $672.33 in...

Question 2

Molly currently makes $42,000 a year. Her contract includes a 3% raise each year.
a. Use this information to fill in the table:  b. What formula would need to be typed in cell B7 to determine Molly's salary after 6 years?
c. Show the numerical calculation to determine Molly's salary after 30 years. Then calculate her salary.

Accepted Answer

The answer of Molly currently makes $42,000 a year. Her...

Question 3

Simplify using the order of operations.

Accepted Answer

The answer of Simplify using the order of operations. ...

Question 4

Paul is a freshman in college, and his new habits are causing him to gain weight. At the start of the
school year, he weighs 140 lb. The table shows his weight gain for the first 3 months.  a. Is this a linear or exponential weight gain? Explain why.
b. If this pattern were to continue, what would Paul weigh after 4 months?
c. What calculation would you need to do to find Paul's weight after 9 months (without finding his
weight after 8 months)? Write out the calculation, and then find his weight.

Accepted Answer

The answer of Paul is a freshman in college, and...

Question 5

A survey asked a group of 55 grade school children which foods they liked to eat. 40 like pizza, 32 like hot
dogs, and 18 like both.  b. How many of the children only like pizza?
c. How many of the children like neither food?

Accepted Answer

The answer of A survey asked a group of 55...

Question 6

If you needed to estimate the value of  without using a calculator, which whole number would you say it is closest to? Explain your reasoning.

Accepted Answer

The answer of If you needed to estimate the value...

Question 7

Use the conversions sheet to help you answer each question. Be sure to write your
calculations before using a calculator. If necessary, round to the nearest hundredth.
3 days 5 hours = _______________ hours

Accepted Answer

The answer of Use the conversions sheet to help you...

Question 8

Charles wants to take out a 5 year loan on a car that costs $15,000. He is trying to make a rough
estimate to decide if he can afford to make the payments. He can afford to pay up to $200 per
month, and he thinks this will be ok. Is his estimate reasonable? Explain.

Accepted Answer

The answer of Charles wants to take out a 5...

Question 9

I want to find the area of a basketball free throw lane, and I am trying to use this formula:

Clearly explain how you can tell this is wrong without knowing
any area formulas or even the dimensions of a free throw lane.

Accepted Answer

The answer of I want to find the area of...

Question 10

Use the conversions sheet to help you answer each question. Be sure to write your
calculations before using a calculator. If necessary, round to the nearest hundredth.
15 in = _______________ cm

Accepted Answer

The answer of Use the conversions sheet to help you...

Question 11

Use the conversions sheet to help you answer each question. Be sure to write your
calculations before using a calculator. If necessary, round to the nearest hundredth.

Accepted Answer

The answer of Use the conversions sheet to help you...

Question 12

At midnight the temperature was -8°F. By noon, the temperature had risen by 18°F. What was the temperature at noon?
A)10°F
B)-26°F
C)26°F
D)-10°F

Accepted Answer

The temperature at noon was -8°F + 18°F = 10°F.

Question 13

Of all the topics we have covered in unit 1, what has stood out to you as something most relevant to your life? Explain why.

Accepted Answer

The answer of Of all the topics we have covered...

Question 14

A student is living on a budget of $1500 per month. He is spending 25% of his budget on rent, 20% on food, 15% on bills, and 30% on fun.
a. Represent this information in a pie chart. Calculate the number of degrees for each slice and fill in the pie chart. Clearly label each slice.  
b. Calculate the dollar amount for each slice in your pie chart.

Accepted Answer

The answer of A student is living on a budget...

Question 15

Consider this bar graph found in an advertisement for a performance supplement. Compare it to the
second bar graph, which represents the same data.  a. Estimate the average time to exhaustion using Thermo Burst.
b. Estimate the average time to exhaustion for those taking the placebo.
c. Why do the graphs look so different? Explain how the graph on the left might be used to mislead the reader.

Accepted Answer

The answer of Consider this bar graph found in an...

Question 16

Use the protractor to find

A) 
B) 
C) 
D)

Accepted Answer

The answer of Use the protractor to find

A) 
B)...

Question 17

Use the conversions sheet to help you answer each question. Be sure to write your
calculations before using a calculator. If necessary, round to the nearest hundredth.

Accepted Answer

The answer of Use the conversions sheet to help you...

Question 18

Diabetics need to keep close watch on glucose blood levels (measured in mg/100 ml). The 12-hour fasting
blood glucose levels for 10 diabetics are given below.  a. Find the mean glucose level.
b. Find the median glucose level.
c. Find the mode or indicate that there is not one.

Accepted Answer

The answer of Diabetics need to keep close watch on...

Quiz 1: Organizing and Visualizing Numeric Data

Simplify using the order of operations.

A survey asked a group of 55 grade school children which foods they liked to eat. 40 like pizza, 32 like hot dogs, and 18 like both. b. How many of the children only like pizza? c. How many of the children like neither food?

If you needed to estimate the value of without using a calculator, which whole number would you say it is closest to? Explain your reasoning.

Use the conversions sheet to help you answer each question. Be sure to write your calculations before using a calculator. If necessary, round to the nearest hundredth. 3 days 5 hours = _______________ hours

Charles wants to take out a 5 year loan on a car that costs $15,000. He is trying to make a rough estimate to decide if he can afford to make the payments. He can afford to pay up to $200 per month, and he thinks this will be ok. Is his estimate reasonable? Explain.

I want to find the area of a basketball free throw lane, and I am trying to use this formula: Clearly explain how you can tell this is wrong without knowing any area formulas or even the dimensions of a free throw lane.

Use the conversions sheet to help you answer each question. Be sure to write your calculations before using a calculator. If necessary, round to the nearest hundredth. 15 in = _______________ cm

Use the conversions sheet to help you answer each question. Be sure to write your calculations before using a calculator. If necessary, round to the nearest hundredth.

At midnight the temperature was -8°F. By noon, the temperature had risen by 18°F. What was the temperature at noon?

Of all the topics we have covered in unit 1, what has stood out to you as something most relevant to your life? Explain why.

Use the protractor to find

Use the conversions sheet to help you answer each question. Be sure to write your calculations before using a calculator. If necessary, round to the nearest hundredth.

Diabetics need to keep close watch on glucose blood levels (measured in mg/100 ml). The 12-hour fasting blood glucose levels for 10 diabetics are given below. a. Find the mean glucose level. b. Find the median glucose level. c. Find the mode or indicate that there is not one.