What are all of the ordered pairs that match this mapping diagram? Check all that apply. *
Input
Output
0
10
20
30
40
5
10
(10,0)
(0,20)
(30, 10)
(20,0)
(30,40)
(0,0)
(40,5)

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%

With hw i put a image and it cleary enough for you to see now i need with math now

What is the least common multiple of 12 and 40?