How would i figure out the answer to number 13? because every time i redo it i get a different answer.

answer: 2 and 1

step-by-step explanation: got this question

sounds & other waves originate from any vibrating object

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d