$33.48
Step-by-step explanation:
31 x .08= 2.48
31+2.48= 33.48
Answer:
A = 9x² + 12x
The area (A) of the rectangle is calculated as
A = height × width
= 3(3x² + 4x) ← distribute parenthesis by 3
= 9x² + 12x
b is the answer
0.5333333