1 - tan 20 . tan 25 = tan 20 + tan 25​

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

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

What is the factor form of x^2-9x+14