How does a flea travel so fast math worksheet PLEASE HURRY!
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The sum (or difference) of 2 terms of the same type is a common stereotype with such a coefficient equal to the sum of the coefficient of two coefficients.

When two algebraic expressions are added (or removed), the same terms are added (or subtracted), and different terms are written as required.

Following are the solution to the given points:

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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)