Atelegraph pole casts a shadow of 40 feet long when the angle of elevation for the sun is 63°. the pole leans 15° from the vertical, directly toward the sun. find the length of the pole. 37 ft 43 ft 79 ft 171 ft

Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.