Oliver turned a circular dial one degree if he turns the dial one degree 27 times, what is the measurement on the angle in degrees

What rotation was applied to triangle def to create d’e’f’?

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

(fog)(x) if f(x)=x^2- 4 and g(x)=x^2 + 2 x, f(g(x))= f(x^2+2x) (x^2+2x)^2-4 (x^2+2x)(x^2+2x)-4 (x^4+2x^3+5x+4x^2)-4 x^4+2x^3+4x^2+5x-4 what am i doing wrong