I am not sure on how to do this problem

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

What is the average diastolic blood pressure for adults

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.