Answer:
2 1/3
Step-by-step explanation:
You take the first number them multiply then divide
Answer:
X^2 -4
Step-by-step explanation:
Not entirely sure but would u just expand the brackets. As this is a difference between 2 squares the answer should be correct but it not sure.
Answer:
f^-1(x)=100-x
Step-by-step explanation:
We have the equation:

By arranging this equation in terms of x and y, we have:

By using the method of completing the square, we have:

The center of this circle is:

So the equation that fulfills the statement is:

Finally, the right answer is c)
Answer:
4000
Step-by-step explanation:
200 + 200 {100
400 × 10
4000