Which polynomial represents the sum below? (14x2 – 14) + (–10x2 – 10x + 10) a. 4x2 – 10x + 24 b. 4x2 – 10x – 4 c. 24x2 – 24x – 10 d. 14x3 + 4x2 + 10x – 4

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