ABCD and CEFG are squares.
Q(b), (c)​

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

Determine which postulate or theorem can be used to prove that lmn =nmo

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle