Step-by-step explanation:
1. 5 divided 4 times of a number n.
2. 3 subtracted by a number B gives 13.
3. 39 added by a number m divided by 7. (not sure)
4. m divided by 90 gives 15.
5. 32 subtracted by two times of a number N.
Answer: 1 /3
Explantion:
Haoyu, I'm telling Ms. Mak about your behavior. Expect not to see tomorrow, you were cheating on the math test. I will also contact your parents. Reply to me immidetly if you do not want to get exposed to everyone.
Answer:
the ans is 16 square cm ok