document.write( "Question 697406: The perimeter of a rectangle is 24 feet.
\n" ); document.write( " a. If x is the measure of one side of the rectangle, represent the measure of an adjacent side in terms of x.
\n" ); document.write( " b. If y is the area of the rectangle, express the area in terms of x.
\n" ); document.write( "

Algebra.Com's Answer #429961 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
(a)
\n" ); document.write( "The formula for perimeter is:
\n" ); document.write( "\"+P+=+2x+%2B+2z+\"
\n" ); document.write( "I'm calling one side \"+x+\" and the adjacent side \"z\"
\n" ); document.write( "given:
\n" ); document.write( "\"+P+=+24+\"
\n" ); document.write( "\"+24+=+2x+%2B+2z+\"
\n" ); document.write( "Subtract \"+2x+\" from both sides
\n" ); document.write( "\"+24+-+2x+=+2z+\"
\n" ); document.write( "Divide both sides by \"+2+\"
\n" ); document.write( "\"+12+-+x+=+z+\"
\n" ); document.write( "The adjacent side is \"+12+-+x+\" ft
\n" ); document.write( "-----------------------------
\n" ); document.write( "(b)
\n" ); document.write( "given:
\n" ); document.write( "Area = \"+y+\"
\n" ); document.write( "The formula for area, using my variables, would be
\n" ); document.write( "\"+A+=+x%2Az+\"
\n" ); document.write( "\"+y+=+x%2Az+\"
\n" ); document.write( "and, since
\n" ); document.write( "\"+z+=+12+-+x+\"
\n" ); document.write( "\"+y+=+x%2A%28+12+-+x+%29+\"
\n" ); document.write( "\"+y+=+12x+-+x%5E2+\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );