Which of the following goes through (-2,4) -x+3y=10

2x-2y=-4

-3x+y=10

x-y=6

4+6x-3x^3 in standard form with explanations because i don’t understand

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?

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.