Which expression would be easier to simplify if you used the associative property to change the grouping? A. [(-1/3)+(-2/3)]+(-4/5)
B. (160 + 40 +27
C. 0.85 + [0.15+ (-1/3)]
D. 1+ [3/4+(-1/4)]

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

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your