Suppose NOL -> QRM is a reflection across the x-axis. If O(-3, 8) what is the y coordinate of R? please help me answer faster!!!

Need now! 45 points laboratory: weather map interpretation i need someone to answer the other two questions. i will give to the best answer!

In a 2010 article “fact check: eastern u.s. earthquake risk” by chris mould, the author provides as evidence the following statement by the united states geological survey: “although earthquakes may be less frequent in the eastern u.s., … urban areas in the east could face bigger losses because the shaking would affect much larger areas than similar quakes in the west. in addition, most homes and buildings in the east are not designed to withstand earthquakes.”this statement directly relates to which of the following concepts? a. vulnerabilityb. hazardc. riskd. severity

How has the geography of india made it difficult for its people to expand before modern technology?