Heather has a set of 9 numbers, with a median of 27 and a range of 3. Which statement MUST be true based on the given information?
A The mean number is greater than 30.
B
At least one number is 27.
C The greatest number is less than 27.
D
If the greatest number is 28, then the least number is 24.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

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?