Answer:
828.32
Step-by-step explanation:
865 x (1 - 0.16) x (1 + 0.14) = 828.32
Hi!
-9f + 19 - 1 + f is actually -8f + 18.
To do this we add like terms, -9f and f; and 19 and -1
-9f + f is -8f
19 - 1 is 18
Therefore your answer is -8f + 18
The equation describes a circle of radius 2 centered at (x, y) = (7, -8). In standard form, the equation would be
.. (x -7)^2 +(y +8)^2 = 4
A graph of it can be seen here. https://www.desmos.com/calculator/14zlfrtoa1
The answer is 1+2√23 or 1-2√23