How do I find the answers

Aregular polygon has angkes of size 150° each.how many side has the polygon

Which accounts for an increase in the temperature of a gas that is kept a constant volume

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer