(2x ^ 3 - 9x ^ 2 + 6x - 3) / (x - 3) dividing polynomials

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box.m∠b=