Factoring binomials with the difference of squares

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

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?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6