Pls help thank u it’s almost due

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300