This is the answer for your test hope it helps
Answer:

Step-by-step explanation:
Compound interest:
The compound interest formula is given by:

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.
$12000 cash
This means that 
Compounded at 4% interest annually.
This means that 
What equation will calculate the value in x years?




C=2x Pi x R so 2x3.14x17.5 = 109.9
Answer:
a² + b² + c² ≠ ab + bc + ca
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