For what values of k does the equation kx²+(k+1)+k=0 have equal roots?​

The surface area of the triangular prism is .

Need showing work for this problem 56.25 ×25.80

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: