Ineed on this one. i was able to get the second coordinate / answer, but i am having trouble finding the first coordinate / answer

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?