Located on right side of a chemical equation

Which statement about the relative areas of triangle abd and triangle xyz is true

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

Find dy/dx using implicit differentiation ln(20+e^xy)=y