Just e please Answer the following and use a calculator or a computer algebra system to evaluate the integrals. Round your answer to at least 3 significant figures and include the units. a) Find the moment of area of the blue-shaded region on the right about the dashed grey line. Moment of area = b) How high is the centroid of the blue-shaded region on the right above? The centroid of the shaded region is above its lowest point. c) Find the moment of arc length of the thick blue curve on the right about the dashed grey line. Moment of arc length = d) How high is the centroid of the thick blue curve on the right above? The centroid of the curve is above its lowest point. The centroid of the trough is above its lowest point.