Is it okay for potential employers to search your social media for use in determining if you are a fit for the position?

Speed is how fast an object moves a certain distance within a length of time. how is speed calculated? a) distance/time b) time/distance c) velocity/time d) distance x time

In the rgb model, which color is formed by combining the constituent colors? a) black b) brown c) yellow d) white e) blue

Who introduced the concept of combining artificial and natural light in the studio