Explanation:
The aggregate demand curve is downward sloping. It implies price levels are falling and the quantity of output will increase as well as the domestic income. The theories that can explain why the aggregate demand curve is downward sloping: the Pigou's wealth effect, the Keynes's interest-rate effect, and the and Mundell-Fleming's exchange-rate effect.
The correct answer for the question that is being presented above is this one: "3/8" A traffic light near a museum is green for 30 seconds, yellow for 5 seconds, and red for 15 seconds. <span>If 8 vehicles approach the signal, the probability that 3 of them are stopped by the red light is 3/8</span>
<span>B. stay up late studying the night before the test.
Rest the night before is highly recommended.</span>