22. Harold wants to get at least a grade of 74 in his math class. His grade will be the
average of three test scores. He got a 67 on
the first test and a 72 on his second test.
You will use the same answer space for both
questions. Please label each answer with an "a" and
the other with a "b".
a. Write an inequality to represent the
situation. Use <= or >= for any "or equal
to" symbols.

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.