The following dot plot depicts the spelling test scores, in percents, of mrs. michael's fifth grade class. according to the dot plot, how many students earned at least a 90%?

type a numerical answer in the space provided. do not type any spaces in your answer.
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Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)

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).