Marco wants to install new flooring in his hallway and kitchen. He does not need new flooring in the counter, stove, or sink areas. How many square feed of flooring will he need to purchase?

45

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.

if e is the midpoint of bd, then bd is 14.

step-by-step explanation:

what are your numbers actually saying? they are spaced out.