a store sells hard cover books for $8 and paper back books for $5. you buy 7 books, represented by the equation x+y=7, where x is the number of hardcover books and y is the number of paperback books. the equation 8x+5y=44 represents the total cost. how many of each type of book did you buy?

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

9

step-by-step explanation:

hi! i think the answer is 1/2 : )

step-by-step explanation: