1.

4. [0/0.69 Points] DETAILS PREVIOUS ANSWERS SCALCET9 12.3.052. MY NOTES ASK YOUR T A boat sails south with the help of a wind blowing in the direction S36E with magnitude 300 lb. Find the work (in ft-lb) done by the wind as the boat moves 150 ft. (Round your answer to the nearest whole number.) 36000 x ft - lb5. [-/0.69 Points] DETAILS SCALCET9 12.4.035. Find the volume of the parallelepiped with adjacent edges PQ, PR, and PS. P(-2, 1, 0), Q(4, 3, 4), R(1, 4, -1), S(3, 6, 1) cubic units7. [-/0.69 Points] DETAILS SCALCET9 12.5.004. Find a vector equation and parametric equations for the line. (Use the parameter t.) the line through the point (7, 0, -3) and parallel to the line x = 4 - 2t, y = -1 + 3t, z = 6 + 8t r(t) = ( x (t ) , y (t ) , z (t ) ) =