MCQ Practice Mathematics 📖 If x ≥ 10 and y ≤ 7, which of the following must be true? A x + y ≤ 7 B x + y ≥ 3 C x - y ≤ 10 D x - y ≤ 3 Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousIf x = 1, then -(x4 + x3 + x2 + x) = NextIf x = 12 which of the following has the least value?
