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

How do you find the area of a triangle

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Jim had 15 minutes to do 5 laps around his school what would his time be