Select True or False for the following statements about Heisenberg's Uncertainty Principle

Select True or False for the following statements about Heisenberg’s Uncertainty Principle.

a.) It is not possible to measure simultaneously the x and z positions of a particle exactly.
b.) It is possible to measure simultaneously the x and y momentum components of a particle exactly.
c.) It is possible to measure simultaneously the y position and the y momentum component of a particle exactly.