Mr. mccoy has owned an antique car for 6 years. during that time the car's value has grown from $20,000 to $30,000. by about what % has the car's value grown each year that mr. mccoy has owned it? a) 4% b) 5% c) 6% d) 7%

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?