I need help with question 14!!!

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asked Jul 26, 2021 46.8k views

2 Answers

Samar · Answer 1 · 2021-08-01T15:12:27+0000

Surface Area Formula

A = 2(lw + hl + wh)

l = 3x
w = x
h = x + 1

A = 2( (3x * x) + (3x * (x + 1)) + (x * (x +1)) )

(Simplify)

A = 2(3x^2 + (3x^2 + 3x) + (x^2 + x))

A = 2(7x^2 + 4x)

A = 14x^2 + 8x

FINAL ANSWER: C

I need help with question 14!!!

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