Paige is learning her multiplication facts. during instruction her teacher reinforces an average of every third correct response. paige is on a schedule of reinforcement. a. fi3 b. fr3 c. vi3 d. vr3

a. FI3

Explanation:

Fixed Interval is a type of reinforcement schedules, which is used to reinforce targeted behavior in individuals. In this case  teacher reinforces an average of every third correct response.

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.