(x-7)/(7-x) if you factor out -1 from the numerator you get:
-(7-x)/(7-x) which is equal to:
-1
Answer:
Simple, 4*pi*r^2
Step-by-step explanation:
Answer:
The vertical height is 
Step-by-step explanation:
we know that
In the right triangle ABC
see the attached figure
To find the height h apply the Pythagoras Theorem

we have



substitute




Answer:
;p79tyuil
Step-by-step explanation: