If figure ABC is reflected across the x-axis and angle A measures 50° , what should be the measure of angle A'? Explain. (PLEASE I NEED THE ANSWER ASAP)

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

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Can someone show me step by step how to do this?