Answer:
percentage increase in Kristen's average score is = 25%
Step-by-step explanation:
Given:-
- The last year score, Si = 84 points
- This year score, Sf = 105 points
Find:-
What is the percent of increase in Kristen's average score?
Solution:-
- We are to determine the percentage increase in Kristen's average score from last year.
- The relation to develop percentage increase "%inc" is given by:
%
- plug in the values:

- The percentage increase in Kristen's average score is = 25%
Okay so start with getting the x by itself
tan46 = x/12
multiply both sides by 12
12tan46 = x
put that into a calculator and you get:
x=12.4
Answer:
6
Step-by-step explanation:
Answer:
and 
Step-by-step explanation:
Given

per section

Required
Model the scenario
The model of this scenario is:

This gives:
<em />
<em> -- This represents the multiplication model</em>
Divide both sides by 18



Reorder
<em />
<em> -- This represents the division model</em>
If there are 24 hours a day, he hangs out 8 hours a day since 24-8-8=16
All activities are eqyal to 8/24, which simplifies to 1/3.
1/3 as a percent is 33.33...%
He should include 33.33..% three times in his circle graph.