What is the answer for 4-8 and 6 is optional.. show work.. you(need answer asap)

Can (2,3 and square root 10) be sides ona right triangle?

Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.