MCQ Practice Mental 📖 If x and y are different integers and both are divisible by 7, which of the following is not necessarily true? A x + y is divisible by 49 B x + y is divisible by 7 C x - y is divisible by 7 D x2 + y2 is divisible by 49 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 W is placed at outlet five, S must be placed at outlet-- NextIf X is the same color as Z, then it must be true that --
