How can you use and compare data to solve real-world problems?

What could explain what happened when the time was equal to 120 minutes

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months