D is the answer
(4+8)+1 = 13
4+(8+1) = 13
Therefore equation D is true
-1 is the answer or your answer is gonna be false
Answer: it is 15
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
Answer:
Is this a question?
Step-by-step explanation:
If not hey! I hope your having a wonderful day if not It'll get better I promise!! Lmk whatever you need! <33 :))