Which term can be described as an if-then statement ? -conditional -fact -proof -theory

Which expression shows the sum of the polynomials with like terms grouped together

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

(x-5)1/2+5=2 what is possible solution of this equation