A and C are linear equations. A linear equestrian is an equation where the exponent has a term of one and the equation results in a straight line. The function changes at a common rate.
B and D are not linear because the power of their exponents are 3 and 2 respectively making them exponential.
First, add hours until the difference is less than an hour. You can add 3 hours on to make it 9:32 p.m. Then, add minutes on until it's the exact time. from 9:32 to 9:48, you can add 16 minutes, so the total time in the movie was 3 hours, 16 minutes.
