Answer:
5 subtracted from b.
Explanation:
5 is being subtracted from b. My answer just simplifies this statement.
Cornelius Vanderbilt. He was a great during and after the Industrial Revolution. He made a great amount of money with his railroads.
Andrew Carnegie- he was known for his steel works.
Though for whoever made this question it would have good to make one of the answer choices Rockefeller another great during those times. For he was known to work with Vanderbilt at one time.
The other choices I have no voice on them.
Improved technology allows to create more goods and to increase the efficiency of providing services (answer d.) and this is they way that it increases standards of living. If there are more goods and services then more people have an access to them.
Emerging adult Erum is a heavy social media user. This may strengthen/lead more to face-to-face friendships.
Erum's heavy usage of social media implies his engaging, interacting capacity with people, moreover strangers. All these signs indicate towards him being an extrovert which implies he can communicate more easily with people around him, thus, increasing friendships.
Further, social media provided him with more friends to interact personally with and build face-to-face friendships, also his conversing skills would have been furbished through this habit.
Whereas, a nonuser i.e. a person who doesn't use social media much tends to be isolated from the world outside and implies to be an introvert, thus fewer face-to-face interactions for him.
To learn who is an extrovert, click here brainly.com/question/7375078
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