Put your name down and ill say what i thing about you

What is this equation in point-slope form?

Find the solution of system of equation y= x-4 y=4x+2

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