Which word begins the subordinate clause in this sentence; dolly must clean her room before she goes out

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?