Answer:
4/9
Step-by-step explanation:
1028284757574622719193495756657472911001202838576 770643j 473745637 1919 84 65727281910e445966 tu 5737272532
the answer is the 2nd, 3rd, and 4th ones
-1 is the answer or your answer is gonna be false
(21-8)-6=7
and that's it