PLEASE HELP!
What is the direct variation equation of this table?
links will be reported

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z