Answer:
Uhh hello? We never read that lesson so don't expect us to be demigods to figure out what you're talking about. Either post with the textbook or I don't think anyone in this world can answer these child level questions.
Answer: The two trucks will be 339.5 miles apart after 3.5 hours.
Explanation:
Let x =Time taken(in hours) by both trucks when they 339.5 miles apart.
Distance = Speed x Time
Distance traveled to North = 48x miles
Distance traveled to South = 49x miles
Total distance = 48x+49x = 97x miles = 339.5 miles [given]

Hence, the two trucks will be 339.5 miles apart after 3.5 hours.
The introduction of the "horse" to North America drastically changed the lives of many American Indians, in that the horse was an incredibly valuable mode of transportation.
Answer:
The Seven Years' War was a global war fought between 1756 and 1763.
Explanation:
It involved all five European great powers of the time plus many of the middle powers and spanned five continents, affecting Europe, the Americas, West Africa, India, and the Philippines
Hope this helps :)