Examine the work shown. Explain the error and find the correct result.
2(4 - 16) - (-30)
2(-12) - (-30)
24- (-30)
54
I

If you were constructing a triangular frame, and you had wood in the length of 4inches, 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