Compute the directional derivative of the function g(x, y) = sin (pi(3x ? 2y)) at the point P( ? 1,? 2) in the direction (5/13,12/13) Be sure to use a unit vector for the direction vector. The directional derivative is (Type an exact answer, using n as needed.)

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

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The angle of elevation from point a to the top of the cliff is 38 degrees. if point a is 80 feet from the base of the cliff , how high is the cliff ?