What is the area of the rectangle? Group of answer choices LaTeX: 9x^3+11x^2-8x9 x 3 + 11 x 2 − 8 x LaTeX: 20x^2+28x-820 x 2 + 28 x − 8 LaTeX: 9x^2+11x-29 x 2 + 11 x − 2 LaTeX: 20x^3+28x^2-8x20 x 3 + 28 x 2 − 8 x

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.

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step-by-step explanation:

d is ur answer hopes this i dont really know how to explain it to u.