The length of a rectangle is twice its width. if the perimeter of the rectangle is 30 units, what is the width of the rectangle.

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

Which expression is equivalent to the expression shown?

What is the area of the triangle 10 13 12