Please I kinda know the answers but it’s just that I have to simply some and I don’t know how... can someone please give me the answers

What is the 12th term of b(n)=-4-2(n-1)

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

With number 11 ( show how you got the answer)