Please answer this questions.

1.. . If A is the event of rolling a prime number (2, 3, & 5) with a die. B is the event of rolling a perfect square (1 & 4) with a die. C is the event of rolling an even number (2, 4, & 6) with a die. Find

a) P(A B)

b) P(C B)

2.. . In a particular class, the probability of a student having blue eyes is 0.3, of having both blue eyes and blonde hair is 0.2, and of having neither blue eyes nor blonde hair is 0.5. What is the probability that a student in this class has blonde hair?