A pharmacist poured a 4% NaCl solution into a flask already containing a NaCl solution of unknown concentration. If the total volume of the mixed solution in the flask is 200 mL and its concentration is 2.5% NaCl, how many milliliters of the 4% NaCl solution was poured into the flask?

Presentation speaking

a. uses verbal and nonverbal messages. b. generates meaning. c. establishes relationships with audience members. d. All of the above e. None of the above

Evaluating a person as kind or unkind, intelligent or unintelligent, etc., involves using:

A) ?prototypes. B) ?scripts. C) ?personal constructs. D) ?stereotypes. E) ?attributions.