HELP i need to find area there is a rectangle and trapezoid

What is the length of an with endpoints a 3,2 and b 8,14

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?