What is the discriminant of the given equation? x^2-x-2=0 a. 9 b. 7 c. -7 d. -9

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Reflect the point (7,0) across the y-axis