document.write( "Question 912422: A watermelon dropped off a roof and takes 4 seconds to reach the ground. How high is the roof \n" ); document.write( "
Algebra.Com's Answer #553801 by ewatrrr(24785)\"\" \"About 
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h(t) = -16t^2 + d , where d is the distanced dropped
\n" ); document.write( " takes 4 seconds to reach the ground
\n" ); document.write( "0 = -16(16) + d
\n" ); document.write( "256 = d, how high the roof is
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