Really stuck please help :(

MAS 121 Lab Math Unit 1 Whole Numbers 8. The dental assistants in a new office are setting up their free patient sample display. The dental assistant order: Quantity Unit Item Per Unit Cost Total A 1,500 each Toothbrush $1 B 100 Each Floss - Smooth $2 C 75 Each Floss - glide $2 D 1,000 Per 100 Information booklet $10 F 25 each Poster $15 Subtotal: 9. After a mild heart attack, Mary spent 3 days in a coronary care unit. Her room bill was $2,898. What was her daily room rate? 10. White blood cell count can indicate illness or health. The white blood count (WBC) of patient B is checked. Before surgery, the white blood count (WBC) of patent B was 12,674; post-surgery, he had a count of 6,894. What is the difference in patient B's count before and after surgery? 11. The cook has a variety of meals to prepare for Villa Center's residents. She averages 16 vegetarian meals every day of the week. Round the number of weekly meals to the nearest 10. 12. The newest staff member at the hospital is a surgery technologist. Her pay is approximately $14 an hour. If she is schedules to work 36 hours a week, what is her weekly pay before deductions