Write the equation for the solutions: (0,-3) and (3,8)

What's the difference between: x≥0 and nonnegative integer. ?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

3382-299=3383- ? fill in the blank?