It changes the function. I think... sorry
Is to decide whether to hep the lady on the trail
The answer to this question is C. 'Whose' in the sentence is possessive. Whose shows the ownership of the car. To put it simply, they are trying to find out who owns the car parked in front of their driveway.
A rational number is a number whose writing can take place as a ratio. That means it is possible to write it as a fraction such that both the numerator and the denominator are whole numbers. The number 8 is a rational number because one can write it as the fraction f8/1.