Alexa claims that 16 ÷ 4, 32/8, and 8 halves are all equivalent expressions. is alexa correct? explain how you know.

they all equal 4, so yes Alexa is correct.

phosphate, calcium ion, chloride ion, neon atom

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