Whats -x + 1.2 = 12.8

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

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?