Answer:
All of the answers if you consider the dashes both negative and positive, but if they are negative then its the last 3 only.
Step-by-step explanation:
Answer:x 31.5 mm
Step-by-step explanation:I hope this helps
Answer:
I think B
Step-by-step explanation:
Answer:
54
Step-by-step explanation:
x-1=3
2xy=24
3+24=27
27·2=54