-1 ≤ 2x + 7< 21 1: A: Rewrite this as two inequalities. Should they be joined with OR or AND?

1 B: Is x = 3 part of the solution set of this compound inequality? Justify your response.

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?