Are 5/y² + 2 and 1 - 5/y² + 2y not quadratic expressions? why?

The la dodgers hit the most homeruns in 2014. the number of homeruns accounted for 6% of the entire major leauge baseball homerun count. if 583 total homeruns were hit, approximately how many did the la dodgers hit

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Which of the binomials below is a factor of this trinominal? x^2-13+30