Answer:
D 28x+40
Step-by-step explanation:
To find the perimeter, we add all the sides
2x+2x+5x+8+4x+10+5x+8+x+2+2x+7x+12 = P
Combine like terms
2x+2x+5x+4x+5x+x+2x+7x+10+8+8+2+12
28x +40
Answer:
-85
Step-by-step explanation:
(-8.5)(-5)(-2)
=(-8.5)(10)
=-85
Answer:
○ B) 624π mm.²
Step-by-step explanation:

I am joyous to assist you anytime.
The first one A) :)))))))
Answer:
4x-12 or 4(x-3)
Step-by-step explanation:
9x+9+2x-7(3+x)
9x+2x+9-21-7x
11x-12-7x
11x-7x-12
4x-12