PLZZZ HELP this is due tmr
Find the function

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

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

What percent of 18 is 24? and plz explain thx.