Kellis and David go for a 10-mile run. They start their run at the same time, but they run at different constant speeds. After 1 hour, David was 1 mile behind Kellis. David finished the run in 2.5 hours. At what speed was Kellis running, and how much earlier did she finish the run than David?

what is the graph

step-by-step explanation:

range =5

step-by-step explanation:

to find the range, we take the largest value and subtract the smallest value.

the largest value is 5

the smallest value is 0

the range is 5-0   =5

1.) 21

2.) 0.453

3.) 1.5

4.) 48

5.) $ 22

step-by-step explanation:

your answer is no

step-by-step explanation: