3/4 - 1/3 =

A. 1/6

B. 5/12

C. 1/2

D. 2/1

What is the square root of 45? (step by step working plz)

Which value of c would make he following expression completely factored? 8x+cy

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