document.write( "Question 1065684: If an object is propelled upward from ground level on Mars with an initial velocity of 130 feet per​ second, its​ height, s,​ (in feet) in t seconds is given by the formula s=−13t^2+130t.\r
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Algebra.Com's Answer #680886 by Alan3354(69443)\"\" \"About 
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The object will be at a height of 208 feet in ____ seconds.
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