Answer:
18
Step-by-step explanation:
You need to find the least common multiple of 9 and 6 - that is 18. In this case you buy 2 packages of pencils and 3 package of pens.
Answer:
8%
Step-by-step explanation:
The maximum change happens when all 500 people moves form outer surface to the station center. When all of them are at the surface, the total moment of inertia is:

When they are at the axis, the total moment of inertia is only the station's, which is 
By the law of angular momentum conservation:


So the angular speed changes by 0.08 of itself, or 8%
Answer:
35%
Step-by-step explanation:
35% percent of the cupcakes were mocha
Answer:
5/4 * 4
Step-by-step explanation:
P = 5 = 4L
4L = 5
L = 5/4
Answer:
B.
Step-by-step explanation:
Hope this helps!