Can some one me with these two and tell me if it's multiplication or division

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

Find the area of a parallelogram with base 15 yards and height 21 2/3

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual