Joseph has started completing the square on the equation 3x2 - 7x + 12 = 0. he has worked to the point where he has the expression x2 - x = -4. use complete sentences describe joseph’s steps up to this point and whether or not his work is accurate.

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 is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?