Answer:
her balance will be $7,560 after 9 years i believe.
Step-by-step explanation:
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The first thing we must do is find the amount of land that will be used for the 120 lots.
We must remember that 10% of the land will not be used for the lots.
We have then:

Then, we must consider the following conversion of units:

Applying the conversion we have:

Then, the amount of square feet for each lot is given by:
Answer:
There will be 32670 square feet in each lot.
Answer:
The solutions to the quadratic function are:

Step-by-step explanation:
Given the function

Let us determine all possible solutions for f(x) = 0

switch both sides

subtract 3 from both sides

simplify

Divide both sides by 4


Add (-1/2)² to both sides




solving

∵ 
as

so

Add 1/2 to both sides


also solving


Add 1/2 to both sides


Therefore, the solutions to the quadratic function are:

Answer:
- First step is to remove those unnecessary brackets :



- Our final answer is 7x^3 - 3x^2 + 20x .
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