Is 2rs+s^4 a polynomial or not a polynomial?

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

What does the sign of the slope tell you about a line?