Answer:
√85
Step-by-step explanation:
See image
Distance formula can be used to find the distance between two points.

(Multiply all by 3 )
7x+x=3+5x
8x=3+5x
3x=3
x=1
Answer:
Step-by-step explanation:
Answer:
c=42
Step-by-step explanation:
81^5 = 3,486,784,401
3,486,784,401 / = X
X = 1,162,261,467
(I think anyways)