I think the you have to do the sin rule but I’m not sure

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?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?