Which of the following best describes the slope of the line below? A. Undefined
B. Positive
C. Zero
D. Negative

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2