two truckers leave Tampa at the same time. tgey take 10 and 6 days respectively to reach their destination and return to tampa. the truckers each take continuous trips to and from Tampa. how many days will pass before two truckers leave Tampa on the same day again?​

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

State one method by which you can recognize a perfect square trinomial.