Answer:

Explanation:
[ Step One ] Remove Parenthesis: (a) = a

[ Step Two ] Multiply: 

[ Step Three ] Apply Exponent Rule 

[ Step Four ] Apply Exponent Rule: 

[
]
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Answer:
Monthly interest rate is r=0,004375
Monthly principal c=590,625
Step-by-step explanation:
Monthly interest payment rate :

Now, we need to find monthly principal payment : 
Use this rule : 
P=108000
r=0,004375

Answer:
The least she could of spent would be $41
Step-by-step explanation:
We know
expression is used for represent the derivative.
Actually, derivative is the second name of " Rate of Change".
And if we read
, it represents the "Rate of change of y with respect to x".
In simple words, a derivative is the rate of change or slope of a very small portion of a function.
dy represents very small change in y-coordinate and dx represents very small change in x-coordinate.
Because deriviate is the second name of " a very small rate of change".
We use
to represent the derivative.