Dina and masha started out on a 12 mi bike path at the same time. when dina reached the end of the 12 mi, masha still had 3 mi left to bike. if dina’s biking speed is 8 mph, find masha’s biking speed.

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.

Pls never taught i’m really confused and i rlly need

What is the slopeof the live that passes through the points and (-2,-5) and (3,-1)