Answer:
620
Step-by-step explanation:
100% must be the the answer so 700% must be 7 times that number.
4340÷7=620
C is 666666688888 from my lookings. Jk
Answer: (3, -1)
Step-by-step explanation:
Reflecting over y = -x maps
.
So, 
X equals the square root of 6-x
x= the eqaution for number 2