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:
140$
Step-by-step explanation:
so if peilling lent 28$ and then john has 5x as much that means john had 4x as much before getting the 28$ which would mean that john had 112$ dollars so now with that knowledge just add the 28$ to get 140$ or just do 5 x 28 to get 140
Use the calculator in the app photomath