11 is 97
12 is -7
13 is 75
14 is 2
15 is -40
I think there is a mistake in 16
17 is 13
18 is 5
The total length of the rope = 32 ft
It is cut into two sections, say x and y
But one section is seven times the other, say y=7x (shorter section being x)
Solving for x
x+y =32
x+7x = 32
8x=32
x=32/8 = 4 ft.
Therefore, the shorter piece is 4 ft long.
Brainly doesn't support all the characters put in so I had to resort to a different program and then send it in as an attachment
Answer:
B) 18.
Step-by-step explanation:
Add them up then divide by the amount of numbers there are.
The lemght could be 15 because a triangle has two long sides and one short one and the two are equivalent
