A number is chosen at random from 1 to 25. Find the probability of not selecting a composite number. plz help

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?