Find the percent of change for #1-5 1. Xbox one goes from $399 to $199.
2. A slice of pizza increases from $1.25 to $3.50
3. The price of a Halloween costume goes from$25 to $9.99
4. The price of a bagel goes from $0.75 to $1.10
5. 16 bagels to 0 bagels.

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.