In a video store, a DVD that sells for $15 is marked "10% off." What is the discount? What is the sale price of the DVD?

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.

The area of square garden is 300m squared. how long is the diagonal?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.