ellie works out 23% of $120 on her calculator she writes $27.6 her teacher marks her answer wrong why?

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.

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?