Which number line shows the sum of -8, 4, and -2? O
A +
-15
10
-5
0
5
10
15
B the
- 15
- 10
-5
0
15
10
15
O
Chef
15
-10
5
0
5
10
15
O
D
-15
-10
0
5
110
15

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so