Which expression is equivalent to the expression below?

B is correct.

Explanation:

Given expression :

First we write expression into division form.

Change division to multiplication. Expression after division will flip and division sign change to multiply

----------- (A)

Formula:

-------------------------(B)

--------------------------(C)

Substitute B and C into A and we get,

Cancel like factor from top and bottom.

Cancel factors are m+3 and m+4 and we get,

B is correct.

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

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step-by-step explanation:

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