Answer:
72 yellow balls
Step-by-step explanation:
80% of 90 is (0.80*90) = 72 yellow balls.
1)-3,-5
2)2,-4
3)-3,-3
4)2,2
5)1,-2
6)3,1
7)8,-3
8)-3,5
Gcf or Lcf, you didint state on question
