The owner of a fitness center conducted a survey using 20 people at the center, selected at random. Each person was given 30 seconds to do as many push-ups as possible, and 30 seconds to do as many sit-ups as possible.

c

step-by-step explanation:

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.