What does x equal in -20 = 5/9(x-32)

At which value in the domain does f(x) =0?

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5