Is 7/9 greater than or less that 8/9

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

If a || b and e || f , what if the value of y ?