What is the slope of a line perpendicular to the line whose equation is 2x-y=5 fully reduce your answer

Why the moon is not visible from earth during the new moon ?

On nights when we see the new moon phase, what side of the moon are we seeing?

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.