The manufacturer price was $50. the customer purchased the item for $200. What percent of the original price did the customer pay? if you answer these questions then you get 10 points.

Evaluate the following expression 1/3^2

Is the figure congruent? yes or no?

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?