How do i factor this polynomial? q^2-121

Find equation of line with slope equals 8 and passing through (6,53)

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

Proportions in triangles solve for x