Write a variation model. Use as the constant of variation.
the cost (D) of filling your gas tank is directly proportional to the price (p) per gallon of gas
A)
B)
C)
D)
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Q40: Find the slope and y-intercept, and use
Q41: Solve the system using the substitution method.
Q42: Solve the system by graphing.
Q43: Solve the system using the substitution method.
Q44: Solve the system using the substitution method.
Q46: Solve the system using the substitution method.
Q47: Graph the line through the point (-1,
Q48: Write an equation of the line with
Q49: Does the line pictured below have positive,
Q50: Determine the slope by using the slope
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