Answer:
B. Subtract 2π from both sides.
Step-by-step explanation:
In order to solve for r, you are gonna want to isolate it. To do so, you first have to subtract 2π from both sides.
original height = .2(8) + 13.4 = 15 inches
To find the original height you multiply .2 by 8 to see how much was burned and then you add that to whats left (13.4) to give you the original height.
w = 50 - 2.5t
Is there a viable solution when time is 30 minutes? No, because by then the tub will be empty.
Hope this Helps!!
A) ,8
B) .3
C) .5
D) .2
