The missing value that makes the quadratic equation y^2 +22y+ ? = 0 a perfect square is? What’s the quadratic equation in the form of perfect square.

The solution set for 5v2 – 125 = 0 is

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.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?