Write a formula for the maximum number of segments determined by n points

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.