For the Expression,
A) Determine the Number of Terms;
B) $6\left(5 x^{2}-x\right)+9 x^{2}+x$

For the expression,
A) determine the number of terms;
b) write down each term; and
c) write down the coefficient for each.
Be sure to simplify the expression before answering.
- $6\left(5 x^{2}-x\right) +9 x^{2}+x$

A) a) 2
b) $-21 x^{2},-5 x$
c) - 21, - 5

B) a) 2
b) $14 x^{2},-5 x$
c) $14,-5$

C) a) 2
b) $39 x^{2},-5 x$
c) $39,-5$

D) a) 1
b) $39 x^{2}$
c) 39