Urrace of 2x +y + 2z = 6 bounded by x = 0, y = 0, and z =0. ans. (a) 9/2 (b) 72i +36j +7 2k 7i+3j) ans. 144 77 68. evaluate x+y dx dy over the region r in the x

urrace Of 2x +y + 2z = 6 bounded by x = 0, y = 0, and z =0. Ans. (a) 9/2 (b) 72i +36j +7 2k 7i+3j) Ans. 144 77 68. Evaluate x+y dx dy over the region R in the xy plane bounded by x +y = 36. 69. Evaluat e (2x +y) dV, where V is tho olosad he nlan