All of these would be perfectly fine represented by a pie chart except A, which doesn't add to 100%.
The question seems to be getting at the idea that a pie chart might be better when the slices are all visually different sizes. I don't really think that's right; a pie chart for D say, where the two slices are about the same, gives the correct impression of the relative frequencies, which are about the same.
Answer they're looking for: C
Answer: 10xy-12+15x-8y=(5x-4)*(2y+3).
Step-by-step explanation:

Answer:
d
Step-by-step explanation:
Answer:
FRACTION: 10 (10 OVER 256)
__
256
Step-by-step explanation:
3 x 3 is 9, plus 1 is 10
4x4 is 16, and 16² is 256