Answer: A horseshoe weighs 8.2 ounces The nails in the horseshoe weigh 0.12 ounces.
Step-by-step explanation: B should be your answer have a great day :)
Answer:
C: Divide both sides by 3
F: Division property of equality
Step-by-step explanation:
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Answer:
1440 different arrangements are possible.
Step-by-step explanation:
Number of arrangements of n elements:
The number of arrangements of n elements is given by:

In this question:
6 couples, in which each can be positioned in 2 ways(him/her or her/him). So

1440 different arrangements are possible.
Answer:
Step-by-step explanation:
Let the number = x
3x + 9 = 2x - 6 Looks like you are going to get something negative here.
Subtract 2x from both sides.
3x - 2x + 9 = 2x - 2x - 6
x + 9 = -6
Subtract 9 from both sides.
x + 9 - 9 = - 6 - 9
Combine
x = - 15