Answer:
Step-by-step explanation:
Let's examine each statement.
This statement is completely false, because they rule states that two number with the same sign as a positive product.
This statement is false, because they rule states that the quotient between number with different signs is negative.
This statement is also false, because the undefined quotient is when a number is divided by 0, not the opposite way. In this case, such quotient is just zero.
As you can observe, none of the statements are true.
Therefore, the right answer is "None of the statements are true".