Two angles of a quadrilateral each measure 70°. a third angle of the quadrilateral measures 115°. what is the measure of the fourth angle of the quadrilateral?

Which function has an inverse that is also a function? a.{(-4,3), (-2, 7), (-1,0), (4, -3), (11, -7)} b.{(-4, 6), (-2, 2), (-1, 6), (4,2), (11, 2)} c.{(-4,5), (-2, 9), (-1,8), (4, 8), (11,4)} d.{(-4,4), (-2, -1), (-1,0), (4, 1), (11, 1)}

Simplify each expression for 18, 20, and 21

Which graph represents an exponential decay function?