(x^2) - 16 / x+4 = (x-4)(x+4) / (x+4) = x-4, x not equal to -4
D is the answer.
Answer:
What type of question is this?
Step-by-step explanation:
Answer: 28:9
56:18
56÷2=28
18÷2=9
=28:9
Could you give more detail?
