The answer would be B 21/4
I think the answer is 4/12 or 1/3
1. Use Difference of squares: a^2-b^2=(a+b)(a-b)
(x+k)(x-k)=0
2. Solve for x and k
x=+-k
k=+-x
Answer:
C.
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
sqrt[(-8+3)² + (-6+6)²] = 5
