The answer of this question is b
C.Sphere is your answer it is bound to all it's points
A is the answer to your question
.3, 3 out of 10 are covered making .3, 30%
i) first you combine the like terms; 3x² and x², then 4x and -8x, then -7n and -1.
Then you would get 4x²-4x-8.
You then cannot simplify further. so your answer would be 4x²-4x-8.
