Answer:
answer is 2
Step-by-step explanation:
12
Use PEMDAS (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction)
15 - (2^2 + 5) / 3
= 15 - (4 + 5) / 3
= 15 - (9) / 3
= 15 - 3
= 12