Hello, if you see this can you solve 5 question and more of mathematics for a upcoming 7th Grader. And some other questions on my profile that went unanswered. ILL MARK YOU BRANILEST!!! Please answer them, thank you!​

Write a story that matches with the expression 42x-5 pls hurry

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

2x minus y equals 6, x plus y equals negative 3