7. Simplify this expression: -8~/7+5-3 A. 41 +40~21 C. -71+40~21 4 4 B. 41-3 21 4 D. -71-3~21 21 8. Factor: 24b2 + 50b - 14 A. 2(4b - 1)(36 + 7) B. 2(4b - 7)(3b + 1) C. 2(4b + 1)(3b - 7) D. 2(4b + 7)(36 + 1) 9. Simplify this rational expression and state the non-permissible values of the variable. m2 - 16 m2 + 6m +8 A. m + 4 . m -4 m +2 m = -4 and m = -2 C. -; m = -4 and m = -2 m + 2 B. m - 4. m +4 m +2 m = 4 and m = 2 D. m = -4 and m =2 m +2 4 |Page