Somebody please help me on 11 and 12

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.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =