Why can’t we use the right angle as our reference angle when using trig ratios?

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need