The temperature is 8°F. It is expected to fall at 5° each hour for the next several hours. In how many hours will the temperature be -7°F?

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

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.

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step-by-step explanation:

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