Answer:
Please see attached picture for full solution.
Answer:
If triangle ABC is dilated by a scale factor of three about the center of the triangle, dilated line D'E' will be parallel to the original line. As the triangle is dilated, the line will move up. This is because the center of the triangle does not lie on DE.
Answer:
Option C, 
Step-by-step explanation:
<u>Step 1: Determine the formula</u>
Formula → 
<u>Step 2: Determine the radius</u>



<u>Step 3: Determine the circumference</u>



Answer: Option C, 
Answer:

The answer is 19 - 4, because of PEMDAS.
- Parentheses
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Any expression wrapped in parentheses always comes first. Whether the sky is pink or blue, parentheses still come first.