Answer:
x=6
Step-by-step explanation:
Given the x-intercepts of a parabola: 
The equation of symmetry at the parabola's vertex is x=h
Where 
In this case,

Therefore, the line of symmetry of the parabola is x=6 and is also the x-coordinate of the parabola's vertex.
Answer:
U
Step-by-step explanation:
Hahahahah
Answer:
19,27 cm^2
Step-by-step explanation:
area of triangle = (6 x 3)/ 2 = 9 cm^2
circle area : 3^2 x 3,14 = 28,27 cm^2
area of shaped region = 28,27 - 9 = 19,27 cm^2
Answer:
km
Step-by-step explanation:
One hour has 60 minutes. Therefore, we multiply,

Now, convert meters to kilometers. Divide value by 1000.

Answer:
for president there are 10, and in vice president there are 9