the mean of observation 18,14,15,19,15,a,12,15,16,is 16 . find the value of a . also find the median don't white.​

When studying the calumet region of illinois and indiana alfred meyers noted four stages of development as new groups occupied this land in stage 2 farmers used the land primarily to grow food for their familes and their small communities

True or false.the baltic states have taken steps to diversify. or decrease the variety of their industries

Many rivers in central asia come from