Answer:

X-axis is the axis of the cartesian plane which represents the horizontal axis. The graph points plotted on the x-axis are from left to right. Y-axis is the axis of the cartesian plane which represents the vertical axis.

Answer:

The x-axis represents how many students voted for Edward in a particular year level, while the y-axis represents how many votes were cast.

Note: I assume that "1st, 2nd, 3rd, 4th" refers to year levels, like 1st years of high school (freshmen). Please mark as brainl-est if this helped!