Find the mean of the data summarized in the given frequency distribution. compare the computed mean to the actual mean of 57.6 degrees. low temperature (circlef) 40minus44 45minus49 50minus54 55minus59 60minus69

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

What is r i 4.5+10r=-6.5 with work pls