What shape would a salt ridge form if you poured salt onto a piece of cardboard with a long straight edge and a small hole cut out of it?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.