0. the temperature at a ski slope decreases 2.5°f for every thousand feet of elevation above
the base. the temperature at the base is 28°f and the temperature at the summit is 24 f.
how many thousand feet above the base is the summit?
define variable:
equation:

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?