A translation
(I'm assuming that this isn't multiple choice since you didn't include the answer choices.)
The area of the circle by definition is given by:

For f (r) = 154:

Clearing r we have:

For f (r) = 616:

Clearing r we have:
Answer:
a reasonable domain for f (r) is:
7 <r <14
<em>Abe should not accept the $500 and play the game.The mathematical expectation of the game is $666.67. </em>
<em />
<em>I may be wrong but that's my answer.</em>
Answer:
2x° = 45°, 3x° = 67.5°
Step-by-step explanation:
Sum of angles in a triangle = 180°
2x+3x+3x=180°
8x=180°
x=22.5°
2x=22.5°x2=45°
3x=22.5°x3=67.5°