20f? Perimeter is simply all sides added up together.
Answer:
(3,-2)
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Answer:
The answer is 60.11
Step-by-step explanation:
An adult person receives 425 pieces of mail each year with a standard deviation of 50.
Now, we have the following details :
Mean of sample = 425
sigma = 50
Standard error = 
=
= 60.11