Try using the app/website Cymath, it tells you the work! :)
Answer:
2
Step by step:
1•2=2
2•2=4
3•3=6
And so on...
Hope this helps!!
Answer:
464 kg butter
Step-by-step explanation:
45% of 320 kg - 144
320+140-464
Answer:
-1
Step-by-step explanation:
i²=√-1*√-1=-1