The length of a rectangle is 3 times the width. the perimeter is 44 cm. what are the dimensions of the rectangle?
use a system to solve.
can you me? how do you write the system using substitution?

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity, infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity, infinity)