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Question 2 Worth 8 points Find the unit vectors that are parallel to the tangent line to the curve at the point .

Question 2 Worth 8 points Convert this integral from rectangular coordinates to spherical coordinates (Do not evaluate the integral)

Question 7 Worth 8 points Find the limit

Question 11 Worth 8 points Find the area of the surface S  where S is the part of the plane     that lies in the first octant.

Question 5 Worth 8 points Determine whether the planes are parallel, orthogonal, or neither.  If they are neither parallel nor orthogonal, find the angle between the planes.

Question 3 Worth 8 points Evaluate the double integral by first identifying it as the volume of a solid.

Question 1 Worth 10 points a.   Change the point

Question 1 Worth 10 points Given

Question 1 Worth 10 points a.    Describe in words the surface with equation 

Question 8 Worth 8 points If