Rachael is a nurse. she earns 12 vacation days after working 768 hours. how many hours does rachael need to work to earn 1 vacation day? remember to include units! (example: 12 hours)

45

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