After being discounted by 20%, a bicycle sells for $140. What was the bicycle's original cost?

Which function has the domain x> -11?

Which value of y will make the inequality y< -1 false?

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.