Answer:
1)Add 19
2)Multiply by 5
Step-by-step explanation:

Adding 19 to both sides.

Multiplying 5 to both sides.

∴
Answer:
first option
Step-by-step explanation:
I don't know how to explain
It is letter B.
Equation of a circle is in the form:
(x-h)^2 + (y-k)^2 = r^2
where (h,k) is the center of the circle with radius r.
Answer:
x>-4
Step-by-step explanation:
flip sign when dealing with negative