Pls answer im not smart when it comes to this

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 table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position