What are all of them??

a. 2

b. 4

c. 4

d. 6

e. 6

f. 6

g. 3

h. 8

i. 8

j. 8

Explanation:

a. You already got it.

b. A quarter note is 4 sixteenth notes

c. An eighth note is 2 sixteenth notes. 2 * 2 = 4

d. An eighth note is 2 sixteenth notes. 2 * 3 = 6

e. A quarter note is 4 sixteenth notes, an eighth note is 2 sixteenth notes. 4 + 2 = 6

f. An eighth note is 2 sixteenth notes. 2 * 2 + 2 = 6

g. An eighth note is 2 sixteenth notes. 2 + 1 = 3

h. A quarter note is 4 sixteenth notes. 4 * 2 = 8

i. A quarter note is 4 sixteenth notes, an eighth note is 2 sixteenth notes. 4 + 2 * 2 = 8

j. A half note is 8 sixteenth notes.