Pls help or I'll cry i don't know how to do any

Which statement best describes the polynomial

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

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