Step-by-step explanation:
two people I hope I could help
Answer:
380.8cm³
Step-by-step explanation:
Volume of a Cylinder is: 
'r' is the radius.
'h' is the height.
We are given a height of 9.9 cm and a diameter of 7cm.
The radius is half the diameter.
Divide 7 by 2:

The radius is 3.5 cm.
Solve for The Volume (Using 3.14 for pi):

380.8035 ≈ 380.8
The volume of the cylinder should be 380.8cm³.
Answer:
a
Step-by-step explanation:
I think you have to divide
Answer:
x=3/2
y=9/2
Step-by-step explanation: