Answer: A, (y-1)^2/49-x^2/81=1
First let us convert 0.01 into fraction:

Now we convert 100 and 4 into perfect squares as follows:

Now we use the property of :


Answer:
4b^-1
Step-by-step explanation:
16a/4 = 4a
4a/a = 4
4/b = 4b^-1
Answer:
I think -7; +1
(sorry if I write this but the answer must be at least 20 characters long)