Do you prefer solving problems using the number line or the rules? Explain why with at least 2 sentences.

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

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?