The number of t-shirts that four students own are will 4 mandy 7 greg 12 and cindy 9. are there three students who have of 20 t-shirts? if yes which students are they. explain

Yes, they are Will, Mandy, and Cindy.

Step-by-step explanation:

I got those three students by simply adding 4 and 9 to get 13, then adding 7 to get 20.

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