Where is 25% of a unit on a number line?

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Can anyone me get through my algebra 2 class? the only class i need to graduate..