The function f(x) = 4x - x ^ 2 is graphed in the xy- coordinate plane as shown. Based on the graph of the function, which statements are true? Select all that apply.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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?

Find the distance between c and d on the number line c=3 and d=11