What is a common factor for x2 - 9 and x2 -5x + 6?

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.

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11