Name: SAT Math Help & School Math Mastery
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#38465

geometry

area

medium

70 sec

A rectangular tabletop has a width of $x$ inches. The area of the tabletop, in square inches, is given by the expression $x^{2} + 10 x$ . Which expression represents the perimeter, in inches, of the tabletop?

A.

$2 x + 10$

B.

$4 x + 10$

C.

$4 x + 20$

D.

$2 x^{2} + 20 x$