The triangles are similar, and the angle bisectors are drawn from corresponding angles. What is the value of x?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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?