Answer:
0.3 units
Step-by-step explanation:
The ratio of the length of the arc to the circumference of the circle is proportional to the ratio of the central angle to the sum of angle in a circle.

This implies that:

This simplifies to: 

Answer:
B
Step-by-step explanation:
Since you are trying to find out half the number of students in a PE class, dividing would be most appropriate since you would be trying to find half.
Answer:
False
Step-by-step explanation:
The equation is equal to -24 = -19. That's not true
54% = 54/100 = 27/50
Answer: 27/50
Hope it helped :)