Kyle invested $130 in a savings account for 2 years. at the end of 2 years, his savings account had $161.20 in it. if $130 represents p, the principal amount, which percent represents the annual simple interest rate (r) that kyle earned after the 2 year (t) period?

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere