Which products are correct? A)
(10)(2)-12) = 240
B)
(-9)(-8)(2) = 144
(-10)(7)(3) = -210
D)
(-5)(-3)(6) = -90
E)
(-1)(-1)(-1)(-1) = 1

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