I really need help please.

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

The surface area of the triangular prism is .

Which of these would have been most likely to have been a carpetbagger during the reconstruction era? a) a new york businessman who relocated to mississippi b) a former slave who was able to buy land in birmingham c) a carolina-born politician who supported the democratic d) a former confederate officer who owned a farm in memphis eliminate