Luke earned a score of 40. The score of 40 is three deviations above the mean. What is the mean for the quiz if the standard deviation is 4?​

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

What is the measure of angle afe? 79 81 91 99

Icould really use some with this question.