Answer:
b
Step-by-step explanation:
330 divided by 30 equals 11
The answer is 3
You add 2 and 4 then divide by 2 and you get 3
The cosine function
meets the y axis at the point 
In fact, you have 
The slope, if you have a graph, is the angle the line is going down so look at this graph:
Answer:
c. 7.25
Step-by-step explanation:
Given the following information from an experiment:

Total Sample Size =5+10+5=20
Therefore, the overall mean
