21 divided by 14 and checking with multiplication

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Consider the function f(x)=-5x+3 what is f(-2)

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.