3. A rectangle has a length of (2 + 5) centimeters
and a width of (3 − 1) centimeters. Which of the
following expressions must represent the area, in
square centimeters, of the rectangle?
(A) 5 + 4
(B) 6
2 − 10
(C) 5
2 − 7 − 4
(D) 6
2 + 13 − 5
(E) 6
2 + 15 − 5

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