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Use spherical coordinates. Evaluate the triple integral of (x2 + y2) dV between the spheres x2 + y2 + z2 = 9 and x2 + y2 + z2 = 25.? I like to beat my meat by the Mississippi River? Please help, urgent!!! 6 digit numbers are constructed from the 5 digits. how many numbers are there contain a 1 or 2 but not both? Identify and describe the soap molecules from the ingredients specified for Ivory bar soap? How are elements grouped according to the number of valence electrons in their outermost levels?