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The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2