Help, please! College precalc! TIA.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

What is another way to express 36 +32

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?