The polynomial 10x3 + 35x2 - 4x – 14 is factored by grouping.
10x3 + 35x2 - 4x - 14
5x2 )-20
what is the common factor that is missing from both sets of parentheses?
-2x - 7
2x + 7
-2x2 + 7
2² +7

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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.