<u>Answer:</u>
A. The color of fire when different metals are burned.
<u>Explanation:</u>
Qualitative data is data that relates to a quality or characteristic of an object, and does not include any numbers.
example: colour, taste, survey answers
Quantitative data, on the other hand, relates to measurements and counting of variables, and uses numbers to convey value.
example: height of a person, number of coins
Answer:
The y-coordinate of point A is 
.
Step-by-step explanation:
The equation of the circle is represented by the following expression:
(1)
Where:
- Independent variable.
- Dependent variable.
, 
- Coordinates of the center of the circle.
- Radius of the circle.
If we know that 
, 
and 
, then the equation of the circle is:
(1b)
Then, we clear within (1b):
(2)
If we know that 
, then the y-coordinate of point A is:
The y-coordinate of point A is .
Oh thats easy. It's a piece of cake. Just use your calculator
