Cho ánh xạ tuyến tínhf:R2→R2xác định bởif(3,1)=(2,−4),f(1,1)=(0,2). Xác địnhf(x, y)

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?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

Sammie has 3 times as many goldfish as nora. nora has 4 goldfish. how many goldfish do sammie and nora have in all?