Answer:
D 1/4
Step-by-step explanation:
Your question is a problem in reading comprehension. It tells you its own answer.
x is always 1/4
If the product is: [(x+1) (x-1)]^2 , the answer is:
[(x+1) (x-1)]^2 = [x^2-1]^2 = x^4-2x^2+1
Answer: 3 1/2 minutes
Step-by-step explanation:
A copy machine makes 24 copies per minute.
How long does it take to make 84 copies?
It takes 3 1/2 minutes to make 84 copies.
It needs to be 1,2,3,4,5,6,15,39,35