Which word phrase represents the variable expression?

3n + 6

a.
three more than six times a number

b.
six more than the sum of a number and three

c.
three times the sum of a number and six

d.
six more than three times a number

55

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