What is the exact value of cos5pie/12

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73