If '?' means subtraction, '?' means addition, and '?' means multiplication, what is the result of 9 ? 5 ? 2 ? 3?

C. 18

If '?' represents addition and '?' represents subtraction, what is the result of 5 ? 3 ? 2?

A. 6

If '?' means 'greater than' and '?' means 'less than', which of the following is true? 7 ? 5 ? 3.

B. FALSE

If '?' represents division and '?' represents addition, what is the result of 20 ? 4 ? 6?

C. 8

If '?' represents addition and '?' represents subtraction, what is the result of 7 ? 5 ? 3?

D. 8