Write a polynomial to represent the area of the shaded region.

a) ab
b) ab - 4x2
c) ab - x2
d) a2b2 - 4x2

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

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.

What statement is true? 2x^2-9x+2=-1