The first four terms of an arithmetic sequence are 1, 5, 9, 13. what is the nth term?

Find an equation of the line perpendicular to the graph.

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

Which of the following best describes the delian problem?