Show that (y+4),(y-7) and (y-3) are the factor of y3-6y2-19y+84

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test