Pls help quick due tonight thank you so much if u do

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

Which of these triangle pairs can be mapped to each other using a single translation? cof hn

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)