If 3 is added to three quarter of a certain number, the result is 30.find the original number.

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 value of y will make the inequality y< -1 false?

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.