<em>answer:</em>
a) the number of data points
c) the most common category
<em>explanation:</em>
Options a and c are the information you can get from the bar graph. Although, I think d could also be a possible answer.
There are two equal tables.
We need to add bases and multiply that by the height divided by two.
7+3=10•1=10
Now multiply that by two since there are two tables.
10•2=20
So, the tables area are 20 feet squared.