Ivan needs to read 4 novels each month. Let N be the number of novels Ivan needs to read in M months. Write an equation relating N to M. Then use this equation to find the number of novels Ivan needs to read in 13 months.

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.

Which compound inequality could be represented by the graph?

Asap! i'm not good math and i'm lost.