The number 0; when added to any number, the value of the number does not change

If g(x) is an odd function, which function must be an even function?

How many $20 bills do you need to have to make $280

Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)