What is the slope of a line that passes through the points (-9,2) and (3,8)

Asap will give brainliest and a lot of points

Which of these tables represents a non-linear function?

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