How do i do the second one on the picture and what is the answer

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.