Solve the system of equations 2x + 3y = 40 and –2x + 2y = 20. a. x = –10, y = 20 b. x = 10, y = 20 c. x = –6, y = 4 d. x = 2, y = 12

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling