One polynomial identity that crops up often in various areas is the difference of squares identity:
A2-b2=(a-b) (a+b)
We meet this in the context of rationalising denominators.
2.75 is 110%
2.75/1.1=2.50
Therefore, the main bill was two and a half dollars
The answer will still be 2/3 because you * it by 1
Answer: B)4
Step-by-step explanation:
x
=8
-
2y=1
8
---
(2)(1)
=
8
---
2
=4