Each week Bruno earns $15.50 and donates $3.50 to his favorite charity. He saves the money that remains after his donation for w weeks. What
does the expression 15.5w - 3.5w represent?

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.