6.) Why was Machu Picchu forgotten for several hundred years? ANYONE PLEASE HELP ME I REALLY NEED THE ANSWER RIGHT NOW BECAUSE I HAVE TO PASS THIS LATER I HOPE Y’ALL CAN HELP ME:(

Well, because of the civil war and also due small pox, also due to people dying they had forgotten about those things and how were here and then they stop stopped serving or just moved away .

The answer lies in the preventive measures the Incas took to avoid its discovery. The Incas left the site one hundred years after they made it in fear that the Spanish settlers would find it. As they descended the mountain, they burnt the forest trails in order for the paths up to the site to be completely destroyed

Explanation:

However, from the picture above we can say it's as a result of majority of their tribesmen being wiped out and no written language to pass along the directions/descriptions of Machu Picchu

the answer is b. 300t + 3/2xt

observing traffic laws in exchange for driving on the highway.