does anyone understand this or can anyone explain what i need to do please ?? there’s no instructions

Can someone me and plz do the problem

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

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