What equation do you get when you solve z - m = z + bx for x? question 19 options: x =2z − mb x =−mb x =2z + mb x =−bm

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

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?