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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.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?