Please help!

what is the slope of the line that has a y - intercept of -1​

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

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?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.