The sum of four times a number and eight is between zero and twelve. Find the range of numbers.

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

Use sigma notation to represent the following series for 9 terms.

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?