What is the unit rate

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

What are the domain and range of f(x)= -log5(x+2)

Flvs question 3 exam: 04.10 segment one exam part two what is the measure of angle x? picture is shown