Answer:
17.B
19. C
20.C
Step-by-step explanation:
17.

19.

20.

Answer:
11/50
Step-by-step explanation:
you talk 22 and divide it by 2 & you get 11
then you take 100 and divide it by 2 and you get 50
Answer:
a. Center: (-15, 9), Radius: 5
Step-by-step explanation:
Equation of a circle:
The equation of a circle of center
and radius r is given by:

In this question, we have that:

Comparing both equations:


And


The center is
.
For the radius:


The correct answer is given by option a.
Answer:

Step-by-step explanation: