Write an expression for the quotient of twelve divided by the sum of two times g and one.

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Which system of linear inequalities is represented by the graph?

Solve the equation by completing the square. x^2+2x=17