(f+g) means add the expressions together. combine like terms.


there is no other constant term so the -4 stays as is.
Answer:
The standard deviation reduces when sample size (n) increases
Step-by-step explanation:
From the above information given, we have that mean = 75.5
Standard deviation = 3.5
But Standard deviation = √summation (x-u)/n
This simply implies that when sample (n) is increased there would be a reduction in the standard deviate.
Answer:
4
Step-by-step explanation:
Since there are 4 columns of x and y values the answer is 4.
Answer:

Step-by-step explanation:
The Law of Sines is given by
and works for any triangle.
Therefore, we have the proportion:
