Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.70 per mile to rent the same truck. how many miles must be driven in a day to make the rental cost for company a a better deal than company b's?

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

a

step-by-step explanation: