Question 4 Worth 8 points Find the exact mass of a thin wire in the shape of a helix  , where

Question 2 Worth 8 points Find the equation of the plane that passes through the points  and

Question 1 Worth 10 points a.    Change the point

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

Question 3 Worth 8 points Find the area of the parallelogram with the vertices .

Question 2 Worth 8 points Find the equation of the plane that passes through the points  and

Question 5 Worth 8 points Given Find

Question 1 Worth 10 points Given vectors  and

Question 10 Worth 8 points Use polar coordinates to find the volume of the solid inside the sphere   and outside the cylinder  .

Question 12 Worth 10 points a.    Sketch the plane curve and the vectors and when  .    (Do NOT attempt to find  and  when making this sketch, and note that this a 2-dimensional sketch).   b.    Find the unit tangent vector when for the curve defined by .