What is the X for this 7x+12=26

Can (3,5 and square root 34) be sides on a right triangle?

How many square centimeters of wrapping paper will be used to wrap the shoe box?

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69