HELP ME ON THIS PLS I NEED MY GRADE TO GO UP Which of the following is a quadratic equation written in standard form?

5x−15=0

7x2−15=32x

8x2−10x=0

6x2=14−17x

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

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay