A + (b + c) = (A + b) + c

What property is this equation

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.