1) Define the following 2) where/ purpose/ use
3) the formula
4) two example of each

The average mean(the arithmetic mean)
The geometric mean
The harmonic mean
The weighted mean​

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

98 point question what is the record for most points in one

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?