Can someone please help me out? I am nottt good at these. 100 pts and brainliest for answering all. Thank you!

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?