There are five balls in a bag. numbered 1,2,3,4 and 5. Kathleen pulls some number balls from the bag and does not put them back. How many ways can she do this such that th sum of the numbers on the balls she pulls out is odd?

1. perpendicular

2. parallel

3. perpendicular

a.)the line for function b is steeper

is there more to this 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.