How can the theme of a story best be interpreted by the reader?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.