Is each expression a polynomial?

drag and drop each expression to the correct box.

With alll of except for the 2 that i did already

How do u write a function for the reflection across the y axis

According to the national center for health statistics, in 1990, 28 % of babies in the united states were born to parents who were not married. throughout the 1990s, this increased by approximately 0.6 % per year. if this trend continues, in which year will 52 % of babies be born out of wedlock? in__52 % of babies will be born out of wedlock