Answer:
b is the right answer for my answer
Answer:
77°
Step-by-step explanation:
Angles B and C are adjacent angles of a parallelogram, so are supplementary.
... ∠C = 180° -∠B = 180° -103° = 77°
Answer:
B.
Step-by-step explanation:
Since 21 is divided by 3 you might think that it is equivalent but remeber you have to divide by both sides, so if you divide 21 by 7 it works but 28 by seven does not! Hope this helps!
Answer:
41
Step-by-step explanation:
n+(-16)=25
n-16=25
Add 16 to both sides to isolate the variable
n=41
Answer: 478
Step-by-step explanation:
The formula to calculate the standard error of the population mean is given by :-
, where 
is the standard deviation and 'n' is the sample size.
Given: Mean : 
Standard deviation : 
Sample size : 
Now, the value of the standard error of the average annual salary is given by :-
Hence, the standard error of the average annual salary = 478
