PLEASE HELP IM SO BAD AT MATH

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?