Answer:
A
Step-by-step explanation:
Volume varies directly with the square of the radius, so:
V = k r²
When V = 80, r = 4.
80 = k (4)²
k = 5
V = 5r²
When r = 3:
V = 5 (3)²
V = 45
The flow is 45 L/min.
I don't know the rest of the question but
$4.50 is looking good!!
8.1• 10^10. U need to move the decimal to the right 10 places. Then compare from the other things from the problem.
Answer:
a, c, e
Step-by-step explanation: those are the asnwers
