Answer: 
Step-by-step explanation:
Given: Sample size: n = 41
Sample mean
degrees
Population standard deviation
degrees
Confidence level (c) = 80% =0.80
Significance level (a) = 1- c = 1-0.80 = 0.20
z-score for 80% confidence level : z = 1.2816 [from z-table]
Confidence level for population mean :-







Hence, 80% confidence interval for the temperatures in the freezer 
Answer:
The answer is C. (a + -a = 0 )
Step-by-step explanation:
"The additive inverse of a number a is the number that, when added to a, yields zero"
<h2>
Hello!</h2>
The answer is: the price of 5 pints of tomato sauce is $2.25.
<h2>
Why?</h2>
To calculate how much does it cost 5 pints, we need to perform a unit conversion with the following unit relationship:

Now, calculating how much is a pint:

A pint is $0.45.
Then, calculating how much are 5 pints:

Hence, the price of 5 pints of tomato sauce is $2.25.
Have a nice day!
9x +5y= -45
put in standard form
y= mx+b
coefficient of x is the slope, b is the y intercpept
5y= -9x -45
y= -9/5 x -45
graphing will start at -45 on the y axis
from that point go down 9 to the right 5 for the slope continue and graph minimum
2 points to draw the line
hope this helps