In which graph is y a linear function of x will mark brainest ty so much

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.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?