25 POINTS PLEASE ALGEBRA TEST Sam was serving as a finish line judge for a 10K run. He was interested in finding out how 3 of his friends did during the race. He was able to find out the following information from the racing officials:
Ralph is running at a steady rate of 320 meters every minute, after running the first 1400 meters in a time of 5 minutes.
Fred ran the first 2000 meters in 6 minutes, before settling into his pace passing the 4400 meter mark at 14 minutes.

Donovan had the following times and meters recorded:
Time (min)
4 9 15 20
Distance (m)
1250 2900 4880 6530

1. Write an equation in point-slope, slope-intercept and standard form for each runner. Ralph:
Fred:
Donovan: