Hello!
The equation for a circle is

(h,k) is the center
r is the radius
Put in the values you know

Simplify

The equation is

Hope this helps!
Answer:
See below.
Step-by-step explanation:
X-intercepts: (-7, 0) & (-3, 0)
Axis of Symmetry: x = -5
Y-intercept: (0, -21)
Vertex: (-5, 4)
Answer:
2.56
Step-by-step explanation:
I'm pretty sure, I'm sorry if its wrong
15 the answer is 15 because 15 x 5 = 75
Answer c. is definitely wrong. I would think b. is the correct answer. if you just just a. shut off the engine you just look control of the vehicle completely.