Answer:
A) -20+48i
Step-by-step explanation:

$15/1 hour= $15/60 minutes= $0.25/1 minute (did this by diving 15 by 60)
Answer:
1/2.
Step-by-step explanation:
f(x) = (1/8)^x
when x = 1/3
f(x) = (1/8)^1/3
f(x) = ∛(1/8)
f(x) = 1 / ∛8
f(x) = 1/2.
Answer:
The approximate volume of the tank is 
Step-by-step explanation:
we know that
The volume of a hemisphere (water storage tank) is equal to

we have

assume

substitute

