The following table shows the percent increase of donations made on behalf of a non-profit organization for the period of 1984 to 2003. use a graphing calculator to make a scatter plot of the data. find an equation for and graph the line of regression. then use the equation to predict the percent donated in the year 2015.

year
1984
1989
1993
1997
2001
2003
percent
187.9 213.9 234.7 255.5 276.3 286.7

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.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Which number completes the inequality? 2/3 < _ < 7/9