The diagram below represents the first tree terms of a sequence. Assuming the pattern continues, which formula determines An, the number of squared in the nth term?

Can someone me with my hwplz(only the circled ones)

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

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