The first one, WX is perpendicular to ZY and WX is parallel to AB
5(1)-3=2
5(2)-3=7
5(3)-3=12
5(4)-3=17
B is your answer
Area of a circle is pi r^2 so pi8^2 is the formula for this one (radius is half of the diameter)
The order from least to greatest would be;
1/8, 2/3, 7/6, 9/10