A20-foot-tall lamp post casts a shadow that is 28 feet long. standing next to the lamp post is a 6-foot tall man. about how long is the shadow of the man?

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Which of the following best describes the figure?