The pool is 4 millimeters wide in the drawing. The actual pool is 20 meters wide. What is the scale of the drawing?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.