Answer:
yes a
Step-by-step explanation:
Answer:
Your annswer is b
Step-by-step explanation: because it is least than all of the others
Answer:
(4x-10)+62=180
Step-by-step explanation:
4x-72=180
4x=180+72
x=252/4
x=63°
Answer:1. 7 2. 
Step-by-step explanation:
1.
= 7
2.
( doesn't have any simplest radical form)
Answer:
The axis of symmetry is 
Step-by-step explanation:
we know that
In a vertical parabola, the axis of symmetry is equal to the x-coordinate of the vertex
In this problem we have a vertical parabola open upward
The x-coordinate of the vertex is equal to the midpoint between the zeros of the parabola
so

therefore
The axis of symmetry is 