Which expression In factored form is equivalent to this expression?
4(x^2- 2x) – 2(x^2– 3)

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Graph the following system of linear inequalities. identify at least two points in the solution: y < 5 - 2x | x + 5y > -7

If cos(θ)=2853 with θin q iv, what is sin(θ)?