Answer:
x=4
Step-by-step explanation:
3x = 12
divide by 3
x =12/3
Answer:
I think it B but I really don't know cause need like an example
Answer: (y*40)+(y*8)
Step-by-step explanation:
Answer:
use 
all you have to do is plug 4 into d and then square it, and multiply everything together.
Step-by-step explanation:
Answer:
108 units
Step-by-step explanation:
(6x4x9)divided by 2