Abird leaves its nest and travels 12 miles per hour downwind for x hours. on the return trip, the bird travels 2 miles per hour slower and has 3 miles left after x hours. what is the distance of the entire trip? how long does the entire trip take?

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Use set builder notation to represent the following set: { -3, -2, -1, 0}

Amass weighing 16 pounds stretches a spring 8/3 feet. the mass is initially released from rest from a point 2 feet below the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is numerically equal to 1/2 the instantaneous velocity. find the equation of motion if the mass is driven by an external force equal to f(t)=cos(2t).