For what value of z would the following system of equations be true for all real integers?
3x-2y=14
-12x+8y = 8z

-56

-32

-14

-8

-7

Simply 8x squared + 5(7x squared- x) - 2x =

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.