I’m taking a walk and at each corner I will choose one of the 4 cardinal directions (N, S, E, W) to walk. If I choose at random three different times, how many possible outcomes are there?

I know the answer is 64, but I don't know how to get there.

Describe the domain and range of y=2(3)^x-2+5

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.