John gets paid $6 for each of the first 40 toy cars he makes in a week. for any additional cars beyond 40 his pay increases by 50%. how much is he paid if he makes 48 cars?

What is (28 + 7 + 6 + 3) x 1/2 show your work

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Which of the following circles have their centers on the x-axis? check all that apply.