In the equation for Boron trifluoride, does boron act as metal or non-metal?

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

Write the overall equation for the reaction for lithium battery

Aman applies a force of 500n to push a truck 100m down the street how much does he do?