2.Select all the expressions that will result in a rational number.

Answer:
Step-by-step explanation:
A. 5/6 + √12/3 = 5/6 +2√3/3 = 1/6( 5 + 4√3)
B. 5/6 × √12/3 = 5/6 × 2√3/3 = 5√3/9
C. 5/6 × √12 = 5/6 × 2√3 = 5√3/3
D. 5/6 - √36/3 = 5/6 - 6/3 = 5/6 - 12/6 = -7/6
E. 5/6 + √36/3 = 5/6 + 6/3 = 5/6 + 2 = 2 5/6