i need help on these permutation questions. questions that contain anything with cards confuse me and i'm unable to focus as easily.

5) Using a standard deck of 52 cards, how many 5 card hands contain: a. 3 red cards and 2 clubs? (2 marks) b. 2 queens? (2 marks) 0. at least 3 red cards? (2 marks) d. 3 fives'? (2 marks) e. at most 2 sevens'? (2 marks) f. at least 1 black card? (2 marks) 9. one pair and one three of a kind? (2 marks)