If you spent $43.78 on an outfit for the dance and you gave the the sales clerk $50.00 how much change should you expect to receive

What is the measure of angle afe? 79 81 91 99

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.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).