HELP CONVERTING TO Mph As of September, 2011, Florence Griffith-Joyner held the women’s world record for the 100 meter dash. She set the record with a time of 10.49 seconds in 19881. Which of the following calculations are correctly set up to convert this speed into miles per hour?

Find the answer to the conversion from the previous question, converting 10.49 seconds for the 100 meter dash to miles per hour. Round to the nearest tenth of a mile per hour
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An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)