A cellphone company collected data about students' texting skills. They collected the texting speed in words per minute according to time in minutes. Identify the data's independent and dependent variables.
The independent variable is .
The dependent variable is .

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Which geometric principle is used to justify the construction below?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?