The numerator of a fraction that is written in simplest form is 4 less than the denominator. If you multiply the numerator by 2 and increase the denominator by 14, the new fraction is less than the original fraction by 1/3 of it.

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)