Need with simplifying1. 60m - 15 (4 - 8m) + 202. 4 ( 5.8 - 9x) + 8.2 + 22x3. 9y - 15y +12 - 6y4. v + 13 - 8 (v + 2)5. 5/3 (5 + 9) 4/5 (1 - 9x)

What is the number 321,000,000 in scientific notation? also what is the number? ?

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.

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.