It was only 180 seconds after the ship passed by
the submarine (thinking it was a friend) that the
submarine fired a torpedo at it. If the ship is tra-
veling at 35 feet per second and the torpedo is
chasing it at 65 feet per second, how many sec-
onds will it take the torpedo to catch the ship?

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?