Find the missing side length

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Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two