Which two of the following are pairs of like terms?
4bk and 18b
15y and 19y²
9x and 9z
A
C
111
E
16pq and 11qp
10a and 8a
B
D

Which two of the following are pairs of like terms 4bk and 18b 15y and 19y 9x and 9z A C 111 E 16pq and 11qp 10a and 8a B D class=