If P=(2,-1),find the image of P under the following rotation. 180 degrees counterclockwise about the origin

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

Three coins are flipped. what is the probability that there will be at least two tails?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer