22 and 23 pls

Solve the problem. 22) Find the magnitude of the torque in foot-pounds at point P for the following lever: 45 P PQ = 4 in. and | F) = 5 1b 23) For the vectors u and v with magnitudes | u| = 5 and | v) = 6, find the angle 0 between u and v which makes proju V = 3