Can someone check all the correct points

What is the exact volume of the cylinder 1.5 m 2.5 m

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.