5 ducks to 30 geese

What’s the meaning?

Can someone me with these two circle theorem questions asap?

2/3(-6y+9x) expand each expression using the distributive property

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?