What is 0.8w+3.6 factored

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

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

The quotient of 15 and a number is 1 over 3 written as an equation