Y A
5
4+
3
2+
1
1 2 3 4 5
-5-4-3-2-1
-1
-24
-3
-44
-5+
-
-
Which equation represents the vertical line shown on the graph?

How do you find principle and simple interest

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%