Answer:
18cm
Step-by-step explanation:
Given:
The volume of water in a tank is modeled by the function

where, x is the number of minutes after the faucet filling the tank is turned on.
To find:
The y-intercept and what does it represent in this context?
Solution:
We have,

Substituting x=0, we get



Therefore, the y-intercept is 2 and it represents the volume of water in a tank before the faucet filling the tank is turned on.
Since 19 is a prime number it only goes into 1 and 19 so 1 times 19 is the only possible answer
Answer: $110
Explanation: 110 x .1 = 11
110 - 11 = 99