Answer:
wn work
Step-by-step explanation:
Answer:
50% chance because (10)/(20)=1/2=0.5=50%
Step-by-step explanation:
hope this helps
simplified is 
I got this by dividing both the numerator and denominator by 4
Hope this helps
-AaronWiseIsBae
Combinatorial Enumeration. That whole class was a rollercoaster ride of mind-blowing generating functions to prove crazy things. The exam had ridiculous questions like 'count the number of cactus trees with n vertices such that etc etc etc' and you'd do three pages of terrible terrible sums and algebra. Then your final answer would be something beautiful like n/2 and you'd breath a sigh of relief and thank the math gods.
The answers are:
x
X^2 -5x +6
