18 is 25% of what number?

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?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.