Math Homework

The answer to each of the problems in the homework is hidden within the question itself:

1. What would the value of 190 in hexadecimal be?
   The answer is be.
2. Twenty-nine is a prime example of what kind of number?
   The answer is prime.
3. At time t = 0, water begins pouring into an empty tank so that the volume of water is changing at a rate V’(t)=sec²(t). For time t = k, where 0 < k < π / 2, determine the amount of water in the tank.
   The answer is tank.