Answer:
-29
Step-by-step explanation:
First opposite: -29
Second opposite: 29
Third opposite: -29
Each pound of peachs costs $2.10.
($4.20 ÷ 2)
Therefore five pounds of peaches would be $10.50.
($2.10 × 5)
The answer is 19 please like and 5 star
Answer:

Step-by-step explanation:
Given

-- City C
--- City K
Required
Determine the 90% confidence interval
This is calculated using:

Calculating 




For a 90% confidence level, the z-score is 1.65. So:

Calculating the standard deviation 

So:


So:

