How do I do this someone help me it’s due tonight

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?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Which expression is equal to (f+g)(x)?