Answer:
21
Step-by-step explanation:
3 + 6 = 9
9 + 6 = 15
15 + 6 = 21
y=2000(1+.09^2)^1/2
y=2000(1.09^2)1/2
y=2000(1.1881)^1/2
y=2000(1.09)
y=$2180