Aperson on a moving sidewalk travels 21 feet in 7 seconds .the moving sidewalk has a length of 180 feet. how long will it take to move from one end of the sidewalk to the other

Graph the equation by plotting point x=2

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Corresponding angles are a. always b. sometimes c. never congruent