Answer:
a) It cannot be concluded at the 99% confidence level that there is actually a difference between the true mean comfortable room temperatures for the two groups.
Step-by-step explanation:
Answer:
32.5 ( i think )
Step-by-step explanation:
:)
Answer: -9/-11
You use the equation y2-y1/x2-x1
9-18/-3–8
-9/-11
Answer:
The solution is 
Step-by-step explanation:
To solve this exponential equation, we must write both sides as powers of 3.
The equation given is:

Since
, we have that
, so
Then




Since both sides are now powers of 3, we can equal them:




The solution is 