The production department of celltronics international wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. as an experiment, 2 employees were assigned to assemble the subassemblies. they produced 11 during a one-hour period. then 4 employees assembled them. they produced 18 during a one-hour period. the complete set of paired observations follows.

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.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Find the area of the unshaded square