Simplify the following expression.
3m+4n-6n

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

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?