The rate of change is constant in each table. Find the rate of change. Explain what the rate of change means for the situation. (Help ASAP) Is it a, b, c or d?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Match each inequality to the number line that represents its solution

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.