Answer:
169/4
Step-by-step explanation:
Take the coefficient of the x term. Here it's -13. Now halve that, obtaining -13/2. Finally, square this result. We get 169/4. This is the desired number.
x^2 - 13x + 169/4 - 169/4 + 14 = 0
The ratio is 20:92 because 20 people chose chocolate and the total amount of people is 92
Answer:
The lowest common factor of 72 and 108 is 216
8/14 , 12/21, 16/28, 20/35