Out of fifty students, twenty five are taking Math Competition classes and 29 are taking Geometry. Given that 12 are taking History and no math classes and nineteen students are in both math classes.
a)How many students are in neither class?
b)How many are in at least one math class?
c)What is the probability that a randomly-chosen student from this group is taking only the Geometry class?
d)Find the probability that a randomly-chosen student from this group is taking either Math Competition classes or History, but not Geometry?

Plz help asap Will give brainilest