Answer:
B
Step-by-step explanation:
Since both is equal to p(a), you can set them as equal to each other:
15 = 2a - 3
18 = 2a
9 = a
<span>Peter paid </span>84 cent in taxs
A ) P=6n+18 where N is the number of triangles. There's always two '9's and the 6 is based on how many triangles there are.