Arrange the digit 1,2,3,4,5,6,7,8,9 into three groups. make one group of two digits, one group of three digits, and one group of four digits. When you multiply the first group of digits by the second group of 3 digits you get the four digit number as your answer. I need a combination pls help. We can’t use the numbers twice.

17

step-by-step explanation:

you need to give us more information since we can't answer

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.

true. i hope this ! go answer some of my newest