Elena weighs 525 N. What is her mass?

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?

The romans believed every human being deserved rights, even slaves. true or false

The government of country a has determined there is a coal shortage based on mining reports.as a result of these data, the government decreases coal exports to other nations. access to information country a