The graph below shows a line of best fit for data collected on the number of members in an alumni association in relation to the number years since the association was formed.
Y
200
180
160
140
120
Number of Members
ö 100
80
60
40
20
0
1 2 3 4 5 6 7 8 9 10
Years Since Alumni Association Formed
2020 Edmentum

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Don't know how to find x given these segment lengths

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class