Acar travels 4 mph slower than a motercycle. let x represent the speed of the motorcycle. a. write an expression for the speed of the car. b. write an expression for the time it takes the motorcycle to travel 50 mi. c. write an expression for the time it takes the car to travel 145 mi.

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