Question: What is the area, in terms of x, of a circle with radius x, minus the area of a rectangle with length 2x and width x, plus the area of a parallelogram with base 3x and height x?
+
Question: What is the factored form of the expression 4x^2 - 9y^2 using the distributive property?
+
What is the length of the altitude of a triangle with base 8 units and height 6 units?