Is this theorem AA, SSS, or SAS? If so how do you know?

When only separate discreet points are graphed it is called?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12