Answer:
72
Step-by-step explanation:
12x6=72
Your answer is d, or the fourth option! hope this helped!
Answer: 0.1841
Step-by-step explanation:
Given: Mean : 
Standard deviation : 
The formula to calculate z-score is given by :_

For x= 9, we have

For x= 10, we have

The P-value = 

Hence, the probability that at your next exam, you will have a stress level between 9 and 10 = 0.1841
Hope this helps, so sorry if I am wrong!
Answer:
C
Step-by-step explanation:
plug the first point in (0), cancels out B, D, E bc g(x) doesnt equal to -1
now the two left are A and C, plug in 1, A doesn't work because 1^2-1=0, not 1
C works because 2(1)-1 = 2-1= 1