From grade 8 to grade 9, the number of hours spent studying at home is expected to increase by 30% to 40 hours a week. Rounding your answer to the nearest hour, find how many hours per week students are expected to study in grade 8. (HELP PLEASE)

answer: 91

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

6 meters

step-by-step explanation:

what is the answer?