Simplify: (25 – 5d) + 3(-15 + 9d)

22d -20

Step-by-step explanation:

(25 – 5d) + 3(-15 + 9d)

Distribute

25-5d -45 +27d

Combine like terms

-5d +27d   +25-45

22d               -20

do i do it on a graph?

step-by-step explanation:

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