PLEASE HELP!! The mean absolute deviation for each pizzeria is approximately 10. Approximately how many times the mean absolute deviation is the difference between the means of the data sets?

What is sin 7x/4 ? i need on this urgent trig

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

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?