What is the value of the discriminant b^2-4ac for the quadratic equation 0=x^2-4x+5 and what does it mean about the number of real solutions the equation has

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

What is x and y intercepts for y=x+7