Simplify: (9^1/2) (9^1/7) Give an exact answer in both rational exponent form and nth root notation.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

What is the distance between point a and b

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project