Use the known formulas for the volume V of a sphere of radius V- 4x 3 and for the volume V of the pyramid with the base of area A of height h V= A h to compute (a) √9-(x-4)² - (-5)² dA where R is a planar domain described by the inequality (-4)²+(y-5)² ≤9 Answer Σ 20-52-4y dA where R is a triangle in the positive octant 0, y 0 in (x, y)-plane bounded by the line 4y+ 52-20. (0) $1,20 Answer M

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