Can me with:
cosx/senx cotx =1

What is the smallest integer n such that n\sqrt{2} is greater than 20

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?

How many zeros does this polynomial function, y=(x-8)(x+3)^2