Following the completion of a difficult assignment, pamela's supervisor told her that he was very with her performance and her in completing the project. the praise pamela received is an example . positive reinforcement. b. informal reinforcement. c. intrinsic reinforcement. d. cognitive reinforcement. e. primary reinforcement.

answer; ///i believe that the correct answer is (a) it is the means by which a person earns money;

i guess you could put raise the economic balance

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants