The figure below shows a right triangle: What is r = q equal to?
tan yº
sin xº
sin y
tan x

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Solve 30% of what = 60 step by step