Jessica and matthew are running toward the point p along the straight paths that make a fixed angle of θ. suppose that matthew runs with velocity va meters per second and jessica with velocity vb meters per second. assume that θ = π/3. use the chain rule to determine the rate at which the distance f between matthew and jessica is changing when x = 40, y = 30, va = 4 m/s, and vb = 3 m/s.

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Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

In a series circuit the __ is the same at every point