Help please :( Read the example below and think about the writer's tone.

Running as a form of exercise is easy to do because it does not require any special equipment. You will need good shoes, but you may already have a pair that will work. Besides that, the only other thing you will need is a safe place to run. Often people run in their neighborhood or in a park. Others use a treadmill or run at a track, but any of these options, as long as they are safe, can provide a place to get an excellent workout.

How does the writer establish credibility through her tone?
a) by using a mix of formal and informal language
b) by using colloquialisms and idioms
c) by adhering to the conventions of standard written English
d) by using a variety of sentence types and lengths

Read this excerpt from "we shall overcome." hundreds of thousands of people sang them. but sometimes, it was one lone person with a guitar. they sang in segregated bus stations, picket lines, freedom marches, concert stadiums, city squares, and videos. when injustice of oppression threatens, people sing protest songs to proclaim their resistance, publicize their cause, and encourage hope for a better future, based on this excerpt as an introductory paragraph, which of the following would you expect to read about in the article? different groups of people who were oppressed the ways that music brings diverse groups of people together similarities between historical movements that provided rights for groups of people different song styles throughout specific historical events

What is included in the body of a business letter

Highlight all instances of parallel structure. there is no longer any room for hope. if we wish to be free—if we mean to preserve inviolate those inestimable privileges for which we have been so long contending—if we mean not basely to abandon the noble struggle in which we have been so long engaged, and which we have pledged ourselves never to abandon until the glorious object of our contest shall be obtained—we must fight!