Coleman graphed the relationship between the number of rotations of his front bike tire and the distance he traveled past a tree. Negative distance means the tree is in front of Coleman and positive distance means the tree is behind Coleman.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

70 years.

step-by-step explanation:

13.46

step-by-step explanation:

16.80 x .20 = 13.46