What is a triangle with three congruent sides?

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

What value of x is in the solution set of 4x – 12 s 16 + 8x?

If the discriminant if a quadratic equation is 4 which statement describes the roots?