Gus is 8 years younger than his brother, alex. alex is x years old. write an algebraic expression that describes how old his is

If a boat travels 3 miles in 1.5 hours how far will it travel in 1 hour

6n^2-7n-75=0 solve by quadratic formula

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.