[16 pts please help] DRAG THE TILES

Fran, Robert, and Becky all got summer jobs. Fran earned $140 for 20 hours of work, Robert earned $150 for 25 hours of work, and Becky earned $120 for 15 hours of work.

Sequence the three workers in order from least amount of money earned per hour to greatest amount of money earned per hour.

Fran

Robert

Becky

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

Given this information, which expression must represent the value of b?

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.