B. Perform the indicated operations. Write your answer in simplest form. 1. 2 5 7 5 4. 12 12 2. + + 5 = 2 5. ON = II 1 3. (-2) +6)= ( 2 9 6. 21 = II 21 6. Study the numbers below. Put a check mark (/) before the rational nur x mark for those which are not. 1. 0.333... 75 4 2. 7.0.129 3. V3 8. VI 4. 0.25 9. 0.125 5. -75 10.0.12743... 3​