He fourth one: 4,5,6,7,8...if it has those two bars || it means absolute value which basically means if its negative you just change it to a posotive :)
Answer:
14 is the answer.
Step-by-step explanation:
30-[18-(24\4)] = 18
if you follow pemdas
Answer:
|−93| = −93
Step-by-step explanation:
|Mode| = mode