X^3 - x^2 + 5x – 5 = 0

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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.