answer is $5,824.98
Step-by-step explanation:
I am 90% sure
I believe the answer is B
15x^2+21x+6 that’s the answer
Answer:

Step-by-step explanation:
The formula of an area of a rectangle:

l - length
w - width
We have

Substitute:
<em>divide both sides by 15</em>

The formula of a perimeter of a rectangle:

Substitute:
