Y2-y1/x2-x1. so -7-8/-1-(-1)= -15/1
1 at runner can run 6mph you n 3 minutes
2nd runner can 6mph in 2*3=6
1st runner can run 9 mph in 9*3=27
2nd runner can run 9mph in 9*6=54
Answer:
1) N+6<2
2) Xn>12
3) P≥15
4) R times 11≥33
5) 5-N≥18
I think this is the answer :)
Step-by-step explanation:
