Answer:
The total area is 45
Step-by-step explanation:
It's basically the same steps at the last problem
A = (1/2)bh
64 = (1/2)(8)h
16 = h
The height is 16 inches
True.
Since

,

and the solutions are decreasing functions.
After 4 years, the account gains $325.8, so 4 years