Pls help as fast as u can pls...

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

What is the definition of a surd.give an example.

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.