Determine which of the following show three biased estimators.

a.) standard deviation, median, range
b.) variance, proportion, mean
c.) median, mean, range
d.) range, standard deviation, variance

What is the inverse of the function f(x)=4x+8

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

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?