Step-by-step explanation:

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Formula of area of square
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Area of square = Length x Length
Area of square = Length2
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Given information
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Area of square =

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Find length
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Answer:
The semi annual plan with a compounded interest rate of 2.75% is the better plan because the total interest rate annually would be equal to 5.5%, which is less of a payment than the second plan, which is greater than the first plan by 3%.
Step-by-step explanation:
I hope this helps!
Answer:
[-1,5]
Step-by-step explanation:
all reals between -1 and 5
I'll treat these like they're two seperate problems because how you set it up they're not together. If it's one whole problem please tell me and I'll solve it that way. :-)
First one: 3x+9+8x + 12
Collect like terms and simplify
(3x+8x)+(9+12)
11x+21
Second one: 2x + 6+x² + 6x + 9
Collect like terms and simplify

8x+15+
Hope this helps you, have a BLESSED and wonderful day, as well as a safe one!
-Cutiepatutie ☺❀❤