Rectangle A measures 8 inches by 2 inches. Rectangle B is a scaled copy of Rectangle A. Select all of the measurement pairs that could be the dimensions of Rectangle B.

40 inches by 10 inches
10 inches by 2.5 inches
9 inches by 3 inches
7 inches by 1 inch
6.4 inches by 1.6 inches

40 inches by 10 inches

&

6.4 inches by 1.6 inches

Step-by-step explanation:

40 inch divided by 5 in is 8 inch                      

10 inch divided by 5 in is 2 inch

6.4 inch x 1.25 inch is 8 inch

1.6 inch x  1.25 inch is 2 inch

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