Question

Help pls!
Given the curve y=x^2 -2 and line x=y.
-Compute the area bounded
a) 3.2 sq units b) 2.6 sq units
c) 1.4 sq units d) 4.5 sq units

-Compute the distance from the x-axis to the centroid
a) 2.0 b)1.5
c) 0.9 d) 2.5

-Compute the volume generated if the area bounded is to be revolved about x-axis.
a) 33.51 cu units b) 25.45 sq units
c) 13.53 cu units d) 53.78 sq units