3 is the scale factor you would use to dilate Figure A to Figure B.
Answer: 1.25
Step-by-step explanation:
The explicit formula for the sequence is 
Substituting in n=4,

Answer:
Circumference.
Step-by-step explanation:
The distance around a circle is its circumference.
The distance around a circular region is known as its CIRCUMFERENCE.
So what is the question just comment on this I can help
Answer:
Step-by-step explanation:
2x+3x+5x = 180°
x = 18°
Angles: 36°, 54°, 90°