Can someone answer this step by step i need to know this for my exam youu

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?