Solve, finding all solutions in [0,2pi) must show steps [tex]tan^2(x)+4=2sec^2(x)+tan(x)[/t ex]

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?