Please help me. I also require to show work if you may. Thank you

1. A card player has a deck of 52 cards. If she draws one card, find the probability she draws a: a) 5 or 7 or 9 b) Queen or Spade 2. A decahedron is a 10-sided die. The sides are numbered from 1 to 10. a) If you roll it two times, find the probability b) If you roll it three times, find the probability of rolling 3 on first roll and 5 on second roll of rolling three 8's (8 on first roll, 8 on second roll, and 8 on third roll) 3. A statistics student's sock drawer contains 4 green socks, 6 red socks, and 8 blue socks. If he draws 2 socks, one at a time without replacement find the probability of drawing: a) blue sock on first draw and red sock on second b) a pair of green socks (green sock on first draw draw and green sock on second draw) 4. An account password is 5 digits long. How many different passwords are possible if: a) each digit is an upper case letter (A-Z) b) each digit is a number (0-9)