Answer: $30,525.87
Step-by-step explanation:
[tex]A=P(1+\frac{r}{n})^n^t[/tex]
A = Amount
P = Principal
r = rate
n = number of times it is compounded
t = time
[tex]A=18000(1+\frac{0.09}{2})^(^2^)^(^6^) \\A=30,525.87[/tex]