+87 A mouse enters a maze, represented below, at its entrance at the top, and travels consistently downward toward the exit point shown at the bottom, taking no paths upwards or sideways.
How many paths are possible for the mouse to take? Justify your work with a written explanation.
EDIT: THE PICTURE DOESN'T WORK SO HERE IS THE LINK: https://mycourses.cty.jhu.edu/pluginfile.php/1065557/mod_assign/intro/Screen%20Shot%202019-05-01%20at%207.37.48%20AM.png
