3 short questions about stem-and-leaf plots!!!

1 how many twos would be listed in the STEM area of a stem and leaf plot with the following data 12, 12, 22, 23, 33, 34, 36, 37, 48, 47?
a 1
b 3
c 4
d 2


2 how many twos would be listed in the LEAF area of a stem and leaf plot with the following data 12, 12, 22, 23, 33, 34, 36, 37, 48, 47?
a 2
b 3
c 4
d 5


3 how many THREES would be listed in the STEM area of a stem and leaf plot with the following data 12, 12, 22, 23, 33, 34, 36, 37, 48, 47?
a 2
b 3
c 4
d 1