Solve the equation 5/x^2-x-20-1/(x+4)=1/(x-5)

Write the rational number in lowest terms 99/-15

The graph shows the distance kerri drives on a trip. what is kerri's speed?

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site