Calculate the volume of the cylinder . round your answer to the nearest hundredth . how do i get the answer ?

Pls i’m too dumb to know what i’m doing right now

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers