Answer:
4 units.
Step-by-step explanation:
Let's use a ratio
72 : 360
8 : 40
1 : 5
The arc is
of the total circumference.

The arc length is 4
Answer:
2/3
Step-by-step explanation:
Ratio means division, so it's 12/18 / 6/6 = 2/3
Answer:
y=1, y=-2/5
Step-by-step explanation:
3600 squared is 60 I believe
Answer:
660
Step-by-step explanation:
20 * 8 = 160
25,000 * 2% = 500
500 + 160 = 660
Therefore your answer is 660