A laptop normally weighs 21 kg while a desktop normally weighs 64 kg. How many times more heavy is a desktop than a laptop?

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?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?