A triangle has side lengths of (2.4k-7.4) centimeters, (6.3k-2.2) centimeters and (6.8m+2.4) centimeters. which expression repre sents the perimeter, in centimeters, of the triangle? a. 9.2m-0.9k b.-9.6+9.2m+8.7k c. 6.8m-7.2+8.7k d. -5k+4.1+9.2m
1 answer:
c. 6.8m-7.2+8.7k
combine like terms
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