There are 12 full boxes on the shelf. Each box contains 12 pieces. You are requested to pick 84 pieces. How many boxes do you need to pick to satisfy the order?

7 boxes

Step-by-step explanation:

Since each of the 12 boxes contain 12 items there are 144 items in total. Simply divide 84 by 12 to get the amount of boxes

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

answer: x=3 and y=4

step-by-step explanation: