Answer:
29 is your answer. I hope this helps you! Let me know if I got something wrong or if you need more help :)
Explanation:
First, apply distributive property to 3(2+8). 3×2 and 3×8.

Add 6 and 24.

Simplify
.
is the same as 4×4. 4 times 4 is 16.

Add 15 and 30.

Subtract.

29 is your answer. I hope this helps you! Let me know if I got something wrong or if you need more help :)