If ab represents a positive two-digit number, where a and b are one-digit integers, which of the following CAN be true? Choose the correct choice from the following options: A) a + b = 9 B) a - b = 9 C) b - a = 9 D) Both A and B E) Both B and C
The (tens place digit, a) cannot be zero, but the (ones place digit, b) can be zero.   A is possible   B is possible   C is NOT possible   Answer: Both A and B
<result>D</result>
If ab represents a positive two-digit number, where a and b are one-digit integers, which of the following CAN be true?