What is the measure of angle ACB?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8