Is x2 − 1 a factor of P(x) = 2x4 + 7? If it is, write P(x) as a product of two factors. A. x2 − 1 is a factor. P(x) = (x2 − 1)(2x2 + 2)
B. x2 − 1 is a factor. P(x) = (x2 − 1)(2x2 − 2)
C. x2 − 1 is not a factor.
D. x2 − 1 is a factor. P(x) = (x2 − 1)(x + 9)

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?

Tell whether the two rates form a proportion

Fast! find the length of cu. the triangles are similar. show your work.