Patrice runs at least 5 miles a day

Which statement justifies why angle ebc measures 90?

Find the area of a parallelogram with base 15 yards and height 21 2/3

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.