If using the method of completing the square to solve the quadratic equation
x²– 15x – 23 = 0, which number would have to be added to "complete the
square?

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.