Answer: There are 34.35 liters left in the test tube.
Step-by-step explanation:
Since we have given that
Depth of the tube = 9 inches
Circumference of base=4 inches
As we know the formula of circumference ,

Now, we need to find the volume of tube is given by

Since we have also given that,
Of 1 cubic inch of space holds 3 liters of water,
So,

Hence, there are 34.35 liters left in the test tube.
The answer to this question would be n^2+191n+18/4n
Total number of hours she schduled to play the game = 3
hours.
Let us convert mixed fraction into improper fraction

Duration of each round =
.
In order to find the number of rounds Nicole can play, we need to divide total number of hours by duration of each round.
÷ 
Converting division sign into multiplication flips the second fraction.

Crossing out 12 by 4, we get 3 on the top of second fraction.


Because problem is about number of rounds.
So, total number of round would be 5.
The best answer is C : The sum of the measures of two angles os 180 degrees .