At a local pet store zebra fish cost $1.90 and neon tetras cost $2.15. If Mrs. Selee bought 15 fish for a total cost of $30.25, not including tax, how many of each type of fish did she buy?

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

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?