What is the discriminant of the quadratic equation
x^2– 7x-9=0

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

What is the measure of angle x? 37° 82° x°