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Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.