JANNAHROSEIN JANNAHROSEIN Math Answered 4.What is the value of the expression 2x - 5 if x = 2?A. 9 B. 1 C. -9 D. -15.What is the value of the expression,[tex] \frac{x - 2}{x - 6} [/tex], if = 5?A. -3 B. -2 C. 3 D. 46. If a and b are positive integers, which of the following is the greatest?A. ab B. a + b C. a² + b² D.( a + b)²