Help me please. Very much appreciated​

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

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.