Answer:
B. 4² + 3³
Explanation:
I'll do each of these expression to see which one equals 43.
2⁴ + 3²
16 + 9
25 ≠ 43; So A is out.
5² + 5³
25 + 125
150 ≠ 43; so C is out.
3² + 2³
9 + 8
17 ≠ 43; so D is out.
4² + 3³
16 + 27
43 = 43, so B is the answer to this question.