What percentage did you tip if your lunch was 4$ and you left 1$

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?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Measure of angles 31 (x+4) (3x+9) me