Ling lives 2 miles from school. it took him 15 minutes to bike from school to home. the first half of the distance he biked at a speed of 12 mph. what was his speed for the remaining distance? what was his average speed?

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

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step-by-step explanation: