First, solve 4 + 6.

• 4 + 6 = 10
• Check each option:
  A: 4 + 5 = 9 — not equal to 10
  B: 2 + 8 = 10 — same answer!
  C: 3 + 6 = 9 — not equal to 10

Final Answer: B: 2 + 8