A ship travels due South from port A for 1.2 hours to reach Port B and then travels due East for another 1.7 hours to reach Jetty C. It then travels due south to Buoy D which is 18 km away from Jetty C. From Bouy D, it then travels 38 km due West to reach Island E. If the average speed of the ship is 10 km/h, find the shortest distance between i. Port A and Jetty C
ii. Port A and Island E

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

What is the value of x when x + 7 = 21?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол