Solve this one

Estimate the volume of the solid that lies below the surface 2 = xy and above the following rectangle. R={(X.y)|65x512,65y510} (a) Use a Riemann sum with m = 3, n = 2, and take the sample point to be the upper right corner of each square. :1): (b) Use the Midpoint Rule to estimate the volume of the solid. 1723