Arectangle has a width of 12.5 m and a length of 105 m. what is the effect on the perimeter when the dimensions are multiplied by 2? the perimeter is increased by a factor of 2. the perimeter is increased by a factor of 21. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 92.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.