What is the difference of "no slope" and "a slope of 0"?

Read the excerpt from rudolfo anaya’s essay “take the tortillas out of your poetry.” tortillas and poetry. they go hand in hand. books nourish the spirit, bread nourishes our bodies. our distinct cultures nourish each one of us, and as we know more and more about the art and literature of the different cultures, we become freer and freer. . i don’t know anyone who doesn’t like to sample different ethnic foods, the breads of many many groups; just as many of us enjoy sampling books from different areas of the world. i travel to foreign countries, and i know more about myself as i learn more about my fellow human beings. censorship imposes itself in my path of knowledge, and that activity can be justified by no one. which choice best describes the purpose of this text? to persuade readers to oppose the censorship of literature to inform readers about censorship in a specific country to entertain readers with stories about censorship to motivate readers to speak out against censorship mark this and return

In the real world, feldman learned to settle for less than 95 percent. he came to consider a company “honest” if its payment rate was above 90 percent. he considered a rate between 80 and 90 percent “annoying but tolerable.” if a company habitually paid below 80 percent, feldman might post a hectoring note, like this one: the cost of bagels has gone up dramatically since the beginning of the year. unfortunately, the number of bagels that disappear without being paid for has also gone up. don’t let that continue. i don’t imagine that you would teach your children to cheat, so why do it yourselves? the excerpt serves as which type of support for the authors’ argument? a claim an example a conclusion a counterclaim

What is the origin of déjà vu, and what is its meaning?