Whats the domain of the graph of the function​

Find the area of the regular hexagon if a side is 20 cm.

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )