Try another version of this question Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Find `int int_R 4 x dA` over the region `R = {(x,y) | 0 le x le 5, 0 le y le 4}` by indentifying it as the volume of a solid
Enter DNE for Does Not Exist, oo for Infinity 200