The little square means a right angle which is equal to 90 degrees.
X + 30 = 90
X = 60 degrees
The statement which best describes the association between the variables X and Y is the <em>moderate positive association</em>. It is observable that the values of X and Y are increasing, however, not in a perfect manner as there are some minor deviations. But nonetheless, the direction is clear and the values are close to each other so they have a moderate positive association.
Number of weeks in a year divided by 6, then multiply that answer by $108