Mathematics, 23.02.2021 01:00 b2cutie456

Please help...FAST A triangle has side lengths of (3.5n+6.5p)(3.5n+6.5p) centimeters, (6.7n-7.9q)(6.7n−7.9q) centimeters, and (9.5q+4.2p)(9.5q+4.2p) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

A.−1.4p+10.2n+13.7q
B.2.8pq+19.7nq2.8pq+19.7nq
C.1.6q+10.7p+10.2n1.6q+10.7p+10.2n< br /> D. 10np+13.7pq-1.2nq10np+13.7pq−1.2nq

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Please help...FAST A triangle has side lengths of (3.5n+6.5p)(3.5n+6.5p) centimeters, (6.7n-7.9q)(...

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