The ratio of Mollie’s age to Heather’s age is 4:9 Heather is 40 years older than Mollie How old is Mollie?

What is the measure of angle afe? 79 81 91 99

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

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.