823.582% increase between the initial price and the current price.
x²+y²-2x-6y-5=0
x²-2x+y²-6y=5
x²-2x+1+y²-6y+9=5+1+9
(x-1)²+(y-3)²=15
(x-1)²+(y-3)²=(V15)²
-> centre of the circle: C(-1,-3)
-> radius of the circle: V15
Answer:
157,517,715,751,571.Therefore,5 more passwords can be formed
1. always true
2. always true? (not 100% sure)
3. sometimes true
4. i don’t know, sorry
hope this helps a little bit! sorry i couldn’t help with all of them
