Alex wrote checks on Tuesday for $40 and $30. He also made a deposit in his checking account of $185. Find the overall change in the amount in his checking account. $ was (select A- Added to or B- deduced from) Alex's account.

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

Which shows the graph of the solution set of 3y – 2x > –18?

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?