Answer: so, option 1 and 3 are true
1. True: The left side 6 is equal to the right side 6
, which means that the given statement is always true.
2. False: The left side 39 does not equal to the right side 9
, which means that the given statement is false.
3. True: The left side 16 is equal to the right side 16
, which means that the given statement is always true.
4. False: The left side 21 does not equal to the right side 19
, which means that the given statement is false.
Step-by-step explanation:
