Lena is making a banner for her little sister's birthday party. She tapes together pieces of construction paper until the banner is 3 feet long. Each piece of paper is 9 inches long. How many pieces of paper does Lena need?

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4 Pieces of construction Paper

Step-by-step explanation:

one piece of paper is 9 inches and their is 12 inches in a foot and the sign is three feet long so if you take four pieces of construction paper and combine them to get 36 inches of banner which equals 3 feet. Hope this helps.

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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