A university law school accepts 7 out of every 12 applicants. If the school accepted 686 students, find how many applications they received. The school had applicants

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.