Answer:

Step-by-step explanation:
To write the equation using a center and a radius, use the vertex form of the equation.

Substitute the values h=10 and k=4 into the equation along with r = 4.

Answer:
Triangle ABC and BCD are congruent by the side side side triangle congruence theorem
Answer:
Subtraction Property of Equality
Step-by-step explanation:
you should subtract both side with 7 first.
The answers to that would be x=-2