Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car traveled the distance in 1.5 h. Car traveled 15 mph faster than Car A
How fast did Car B travel
(The formula RT=D. where R is the rate of speed, Tis the time, and D is the distance can be used.)
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Average acceleration: i have no idea how to do this.

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.

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