I need this done today whoever gets this correct gets brainliest

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

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

What is the angle measure, or angle of depression, between this bird and the bird watcher?