document.write( "Question 118084: pg. 255
\n" ); document.write( "92) Perimeter of a rectangle. The width of a rectangle playground is 2x - 5 feet, and the length is 3x + 9 feet. Write a polynomial P(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet.
\n" ); document.write( "answer: P(x)= 10x + 8
\n" ); document.write( " P(4)= 48 feet
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #86157 by ilana(307)\"\" \"About 
You can put this solution on YOUR website!
Yep, those answers are correct. The perimeter of a rectangle is twice the length plus twice the width. \n" ); document.write( "
\n" );