< Question 5, 15.1.19 > points Evaluate the double integral over the given region R. O Points: S Syx yx cos x dA R: 3y3, 0xT R yx cos x dA = R = (Type an exact answer in simplified form.) < Question 6, 15.1.21 Evaluate the double integral over the given region R. R x-Ydx dy R: 0x In (2), Osys In (4) > exy dx dy = (Type an integer or a simplified fraction.) SSex-ydx dy R < Question 7, 15.1.23 > Evaluate the double integral over the given region R. +3 SS DA R 2 X +1 dA R: 0y4, 0 x1 dA= (Type an exact answer in simplified form.) SdA R 2 x+1 points O Points: 0 of 1 points O Points: 0 of 1