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Type the correct answer in the box.
Simplify this expression:
-2x + 3 - (5 - 6x)

4x-2

Step-by-step explanation:

-2x + 3 - (5 - 6x)

-2x+3-5+6x

Collect Like Terms

4x+3-5

Calculate the difference, you should end up with 4x-2

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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)