Can someone tutor me in 9th grade math, for free? it'd mean the world

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

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?