What's 3 divided by 1 1/5 + 1/2

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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.

Which of the following can be used to explain a statement in a geometric proof?