Aaahhh help im stuck

Which descriptions offer examples of support services workers? check all that apply.sebastian makes sure patients can communicate with medical workers, understand information, and make decisions. miriam schedules appointments for a medical clinic. lena plans a food service program to improve patient nutrition in a healthcare facility. benito cleans and examines a patient’s teeth and gums. jason prepares and cooks food for patients in a hospital. wei examines an athlete who hurt his leg during a competition.

What function should you choose if you want to make a copy of a digital image file to back it up? a) save b) copy c) save as d) all of the above

What refers to the distance between two sound frequencies or pitches?