Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (β3)Β·(β2x) + (β3)Β·(4) step 2: 12 + 6x + (β12) step 3: 12 + (β12) + 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
Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.
Polygon abcd is a parallelogram, and m? abc = 127Β°. the length of is 10 units, and the length of is 5 units. the perimeter of the parallelogram is units, and m? bcd is Β°