How do i find the slope of the line containing the two points (9,0) and (-5,6)

In the diagram below, tan θ = sqrt 3. what is the value of m?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.