Jason and Eric had the same grade for the first nine weeks. The standard deviation of Jason's grades is 20.7 points, while the standard deviation of Eric's grades is 2.7. Which statement must be true?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Consider the following equation -167 + 37 = 49 - 21p select the equation that has the same solution as the given equation. o a. p - 5 + ip = 7 - p ob. +55 + 12p = 5p + 16 c. 2 + 1.25p = -3.75p + 10 d. -14 + 6p = -9 - 6p reset next

Acircle has a circumference of 28.36 units what is the diameter of the circle