What is the simplified form of this expression? (8x − 7) + (-2x − 9) − (4x − 3) A. 2x – 13 B. 2x − 19 C. 2x − 5 D. 2x + 1

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

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)