Solve the system by graphing
y=x+2
y=-1/2x-4

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?

What is the binomial expansion of (2x-3)^5

What is the 12th term of b(n)=-4-2(n-1)