Describe each of the four major u. s. regions. focus on facts and details that make each region different or unique.
choose one cultural landmark for each u. s. region. you will have four landmarks. you may choose from those in the lesson.
describe why you chose each landmark. explain how the landmark is important to its cultural region.

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.