evaluate the piecewise defined function for the given values of x by matching the domain values with the range values

What is the product of the radical expression. (7-2square root) (8+2 square root)

The sum of two numbers is 86, and their difference is 20. find the two numbers

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?