What would be the correct answer for x when solving the equation 10x = 20?

Contraindications for using positive end expiratory pressure (PEEP) in conjunction with mechan-ical ventilation include which of the following?

1. Untreated bronchopleural fistula 2. Chronic airway obstruction 3. Untreated pneumothorax a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3

While preparing a tray for endodontic therapy, the dentist tells you that he will need to isolate the tooth for the procedure. In response to this request, what would you place on the tray?

cotton rolls a dental dam, frame, and clamp gauze 2 × 2 squares a surgical suction tip