Estimate each quotient by rounding the dividend and the divisor to the largest place value. 22528 divided by 98

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?

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)