There are 20 more pennies than nickels in a jar. There are 5 time as many pennies as nickels in a jar . how much money is in the jar?

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