In a triangle, the first angle is 22⁰ and the second angle is 78⁰. What is the measure of the third angle?

With: label the vertices and all the elements needed. find x

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

Which expression is equivalent to -12(3x-3/4)