The equation p = 0.0089t2 + 1.1149t + 78.4491 models the
united states population, p, in millions since 1900. if t represents the
number of years after 1900, then what is the estimated population
in 2025 to the nearest tenth of a million?
(1) 217.8 (3) 343.9
(2) 219.0 (4) 356.9

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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?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).