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:
x=4
Step-by-step explanation:
-3x+4x=2*4-x
x=8-x
8=x+x
8=2x
x=8/2
x=4
Answer:
the decimal expansion of 7/8 is
0.875
Answer:
55°
Step-by-step explanation:
Since the lines are parallel angle 2 and 4 will be supplementary and we can find the angle measure using the given 125° angle. According to the angle rule of corresponding angles we can determine that angle 4 equals 55
