Determine the sign of the discriminant of each.

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?