Using the elimination method to solve
2 x-y=8
x + y = 20

Describe all the numbers that when rounded to the nearest thousand are 645,000

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

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?