Answer:
A
Step-by-step explanation:
Rule: a Minus power always goes to the opposite place to where it is. If it is in the denominator, it goes to the numerator. If it is the numerator, it goes to the denominator. The minus power does not affect the sign of the expression.
So you are right. The minus power does not give a minus answer.

Answer: A
The first one is x^2+2x+2
the second one is x^2+4
the last one is x^2-4x+8
Answer:
3
Step-by-step explanation:
20-9=11
11-8=3
3 is the final answer
Answer:
y=(x-4)²
Step-by-step explanation:
(a-b)²=a²-2ab+b²
(x-4)²=x²-2×x×4+4²
(x-4)²=x²-8x+16
Answer:
2/5
Step-by-step explanation:
Use the distance formula to determine the distance between two points.