Answer:
7.
Step-by-step explanation:
9y+12=75
subtract 12 from 75
divide by 9y
Answer:
X =10
Step-by-step explanation:
If you have a scientific calculator that can help you a lot.
I will upload a picture you can follow to solve this problem.
Find the area of the base
.
Multiply area of the base by height to get volume

Hope this helps.