If the radius and height of a cylinder are multiplied by 4, the lateral area of the cylinder is multiplied by
select one:
a. 2.
b. 4.
c. 8.
d. 16.

Answer question above and explain each step : )

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Ineed me i stuck and i don’t want to get it wrong