A standard track is 1/4th of a mile. Find the speed in miles per hour if it takes De- Sean 14 minutes to run 3/4 of a mile (please help ASAP)

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90