Multiple Choice. Select only one answer. Which of the following statements could be a correct step in solving this equation:
1
- 7=
2
O
A.
1
-7=
- 12
2.1
B. 3x – 42 = 2(x - 12)
O
C. 3x – 7 = 2(x – 12)
d o
D. 3x – 7 = 2x – 12

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.