Final answer:
The statement uses the law of syllogism, and the conclusion that 'if you drive a car without an adult, then you should remember when your mom's birthday is' is valid, as it properly applies this law.
Step-by-step explanation:
The law used in the statement is the law of syllogism, and the conclusion drawn is valid. Here's why: According to the law of syllogism, if a conditional statement (if P, then Q) is true, and another conditional statement (if Q, then R) is true, then a third conditional statement (if P, then R) can be inferred and is also true. In this case, if the given premises are true, the conclusion necessarily follows. Therefore, option 4 is correct, which states 'The statement is using the law of syllogism and it is valid.'