An epidemiological study of the spread of a certain influenza strain that hit a small school population found that the total number of students, P, who contracted the flu t days after it broke out is given by the model P = −t2 + 17t + 140,
where
1 ≤ t ≤ 6.
Find the day that 170 students had the flu. Recall that the restriction on t is at most 6.

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

What is the value of x in the following equation. -x ^3/2 = -27