Answer: option 2. x²-1
Step-by-step explanation:
concept to know: a²-b²=(a+b)(a-b)
------------
(a+b)(a-b)=a²+b²
(x+1)(x-1)=x²-1
Hope this helps!! :)
Please let me know if you have any question
( x,y ) -> y is second number
so y=9.
Second option is your answer order from least to greatest
answer: 50/8, 6 2/5, 6.45, 26/4
50/8 = 6.25
6 2/5 = 6.4
26/4 = 6.5
Answer:
a ray please give me a heart and all three stars
Step-by-step explanation: it is a ray because a ray is the segment that never ends