Akindergarten class has 9 girls and 11 boys in class. what percent of the class are girlsit rain

The answer would be 70%

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

Answer: c. x y2 04 66 16