Find the supplement of 1/5 of complete angle

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2