You need to attempt these yourself before we can offer assistance. Put in your calculations for the first one and we can help identify where you might be wrong.
If your teacher is not properly preparing you for this question, consider complaining to the school administrators. If teacher is properly preparing you for this question, well ........
They are simply following the forum rules, and attempting to help you help yourself. Please do not be rude to my members again or you will be banned from the forum.
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