Answer:

A. PO

Step-by-step explanation:

PLS PA BRAINLEST PO ✨

Answer:

D 18.

Step-by-step explanation:

Factors of 18: 1, 2, 3, 6, 9 and 18.

Factors of 90 = 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.

you can see 18 in the top of both of them so

18 is the greatest common factor of 18 and 90