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The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?

Write 37/22 as a decimal rounded to the nearest hundredth.

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).