The perimeter of a triangle can be found by adding the lengths of its three sides. if the three sides of a triangle measure 3.4 inches, 5 inches, and 7.32 inches, what is the perimeter of the triangle. 16.06 in. 16.47 in. 13.41 in. 16.38 in.

15.72 inches

Step-by-step explanation:

3.4 inches + 5 inches + 7.32 inches = 15.72 inches

I don't see 15.72 inches as a choice.

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5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10