1. There are 4 boys and. 2 girls in room A and 5 boys and 3 girls in room B. Agirl from one of the two rooms laughed loudly. What is the probability
that the girl laughed was from Room B.

care to share were the trapezoid shown is ?

i would say b) is your answer

sorry if im wrong

step-by-step explanation:

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.

answer: i dont know i want points

step-by-step explanation: