Eager to finish studying, Maya mastered all 12 of her spelling words in 4/5 of an hour. At what rate did she master them

Step-by-step explanation:

4/5 of an hour = 48 min

Total words = 12

Rate = 48 ÷ 12 = 4

She mastered 1 word in 4 min

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: 12/52

step-by-step explanation: my reasoning is that there are 12 face cards in a deck and a total of 52 cards in all.