can someone help me with this. (Convert the repeating decimal to a fraction show all your work)

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

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)