The average number of pupils in both class a and ckass b is 36. class a has 4 more pupils than class b. how many pupils are there in each class?

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

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.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!