Which expression is equivalent to "the second power of (8-3)"?

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?