Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set: 82


168 square inches

Work Step by Step

We are given the formula $SA=2HL+2LW+2HW$, which measures the surface area of a rectangular box in square units. In this example, the dimensions of the box are 4 inches by 4 inches by 8.5 inches. So, we can plug in $H=4$, $L=4$, and $W=8.5$ into the equation. $SA=2(4)(4)+2(4)(8.5)+2(4)(8.5)=32+68+68=168$ square inches
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