When you solve a problem involving money, what can a negative answer represent?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls