What's your biggest issue rn?

Idon’t have a clue on how i should understand this i’m in need of assistance.

Given sin=-4/5 and x is in quadrant 3, what is the value of tan x/2

Analyze the map above. using complete sentences, discuss the population distribution of the united states. make sure to address the issue of climate and at least one other factor that has created such an uneven population distribution throughout the region.