I need friends does some one want to be my friend

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Solve 3x-18=2y and 5x-6y=6 by elimination show work