Which number line represents the solutions to 1-2x1 = 4? +
-10 -8 B 4 - 2
+
0
2
4
6
8
10
+
+
+
-10-8-6-4-2
+
6
2
4
8
10
+
-10-8-6-4-20
2
4
6
8
10
T
+
-10 8 B -4 -2
+
8 10
2
4
6

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