Giving free points to my sister! please no one else answer!!

Which math sentence can be used to determine if the triangle is a right triangle?

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.