Answer:
20 30
Step-by-step explanation:
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I don't know, this is tricky
Answer:
So, we conclude that Mark is right.
Step-by-step explanation:
If we have the following expression: 15 - (37 + 8) : 3.
We will first divide the value we get in parentheses and then subtract it.
Because sharing is an older mathematical operation than subtraction. Therefore, we get:

So, we conclude that Mark is right.
Answer: Rotating a shape 90 degrees is the same as rotating it 270 degrees clockwise.
Step-by-step explanation: