Answer:
3.5
Step-by-step explanation:
-11-3, then that divided by -4.
Answer: -3
Step-by-step explanation: m= -5-7/2+2=-12/4=-3
M=-3
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81:324
3+12=15
405 div 15 =27
3 times 27 = 81
12 times 27 = 324