Please help do EXTREMELY soon

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

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price