Two variables are correlated whenever a. one changes while the other does not change. b. one increases while the other does not change. c. one decreases while the other does not change. d. both change together in a consistent way.

If you see someone who is injured at a workplace, the first thing you should do is a. call 9-1-1 or your local emergency number b. begin to administer first aid c. check the scene for danger d. try to discover what is wrong with the person select the best answer from the choices provided a b c d