Final answer:
To solve the expression (144 x 34) mod 12, multiply 144 and 34 to get 4896, then find the remainder when dividing 4896 by 12, which is 0.
Step-by-step explanation:
To solve the expression (144 x 34) mod 12, we need to first multiply 144 and 34. This gives us 4896. Next, we find the remainder when dividing 4896 by 12. The remainder is 0, so the final solution is 0.