Laura paid $27 for three books. if all of the books cost the same, how much did one book cost?

9 dollars

Step-by-step explanation:

27/3=9

answear:

a

step-by-step explanation: a

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