Answer: 
Explanation:
Multiplying by 1/2 is the same as dividing by 2.
For example, if you have 10 slices of cake and 2 friends, then each friend gets 10/2 = 5 slices. We could also say 
The fraction 1/2 converts to the decimal form 0.5, which means 
Answer:
6.4π units.
Step-by-step explanation:
Length of the arc = radius * the angle in radians
= 4 * 288 * π / 180
= 6.4π.
Answer:
10.
bag a is lighter than bag b
bag b is lighter than bag c
so bag a is lighter that bag c
Step-by-step explanation:
... sorry i dont know #11, but hope this helps