Sudoko I don’t get it at all help someone

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

Will gve pints stars and brainliest

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?