Will mark brainliest! Please explain, because I don't understand how to do it.

Step-by-step explanation: The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set.

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

idk

step-by-step explanation: