Is it true or false that almost two decades after the fall of communism a number of eastern european countries are still struggling to establish a stable democracies

What two properties affect the density of ocean water

The graph below plots the temperature and luminosity of stars on the main sequence.

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation