Answer:
D
Step-by-step explanation:
I'm pretty sure I, G, F, D are the integers.
and the other ones to me don't make any sense
use distributive property of the parenthesis first so
4+42-21+8 = 33
xy
xy³ and x³y
GCF is xy
1=21
for every one you go up you move over 21
Put u=17