Can someone please help and if you’re correct I’ll give u brainliest

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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?

Im literally having a mental breakdown