Answer:
4x+12/x^2+9
Step-by-step explanation:
Perimeter
x+3+x+3+x+3+x+3
Area
(x+3)(x+3)
Answer:
surface area is 216 and the volume is 216
First multiply 11 with 9 to get 99 and then 11 with d to get 11d
thus the answer is 99+11d.
Answer:
it might go like A= 12 B= 0 C = -6
