What is the product of the sum of two numbers x and y squared, when x = 3 and y = 4?
+
What is the equation for finding the length of the altitude of an isosceles triangle with a base of 12 units and congruent sides measuring 9 units each?
+
What is the value of 5 raised to the power of 3, plus the square root of 16, minus the cube root of 64?