Ms. Harrison borrow $600 to pay for a new phone. The simple interest on the loan is nine percent for one year. What is the total amount Ms. Harrison will pay back?

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Me n o w. i need t h i s. 10 points