Simple Interest 9.) You put $400 in a savings account. The account earns 4% interest. a.) How much interest is earned after 5 years? b.) What is the balance after 5 years?

0 is its x and y coordinate

step-by-step explanation:

what is the your question?

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.