Answer:
-22*F
Step-by-step explanation:
The answer is -22*F because you are subtracting -7*F from -29*F.
I think its the third one but im not 100% posative on that
Answers are in bold:
-1=3x-2
add 2 to both sides
-1+2=3x-2+2
1=3x
divide both sides by 3
1÷3=3x÷3
1/3=x
-3x=9
divide both sides by -3
-3x÷-3=9÷-3
x=-3
-10=-5x
divide both sides by -5
-10÷-5=-5x÷-5
2=x
I hope this is good enough:
Answer: 
Step-by-step explanation:
Given : Sample size : 
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
Formula to find the confidence interval for population mean :-

Hence, a 95% confidence interval for the population mean = 
Answer: 5
Step-by-step explanation: 3 - (-2) = 5