(20)(1.5)(1.05)=31.5   The answer is the product of the wholesale price (20), the constant 1.5 to indicate the 50% markup, and the constant 1.05 to indicate the 5% sales tax.   The total cost of the shirt is \$31.50.

"Understand that writing is an activity that involves several phases, some of which is repeated, and all of which has ramifications for the society where it finds its context."

Yes, there is no underlined word in the sentence you provided.

Both ways are acceptable.  However, you should know that I am an American and also a former British university law student.  For me anyways, it makes more intuitive sense to place the comma outside of the quotation marks with regards to its function in the sentence.  However, there...

s=subject v=verb o=object   1. The whiskey on your breath Could make a small boy dizzy;   s=whiskey v=could make o=boy (direct object) o=breath (object of preposition) 2. But I hung on like death: Such waltzing was not easy.   s=I v=hung...

Yes, these sentences are grammatically well-formed.  The first sentence has a poetic bent, but is nonetheless otherwise acceptable and comprehensible.

It is generally unacceptable to end a sentence with a preposition.  However, this is accomplished all the time.  The reason for this is because of custom.  In many cases, it has become customary to use grammatically incorrectly formed phrases and sentences.  For example, we ought...

This sequence is called an arithmetic sequence since the next term is determined by adding a constant, namely 3.  If the next term, however, were determined by multiplying a constant, then that sequence would be called a geometric sequence instead.

The sentence "The bottom of the walls in the hall is brown." is grammatically well-formed.  Whether or not it's correct depends upon what it is you are trying to say.  As it is, you are saying the bottom (of the walls) is brown, neither the walls nor the hall.  Bottom is...

A prepositional phrase is a phrase introduced by a preposition that relates the spatial or temporal relationship between the phrase it introduces and a word in the sentence.  (Recall that a phrase is a sequence of words which lack a subject or verb or both, and that a preposition can generally...

The simple subject is "countenance".  The verb is "could unfrown".  ("Not" is an adverb.)  The verb is also known as the simple predicate.  And, the direct object is "itself".  The complete subject is "my mother's countenance"...

A.  The sentence has parallel structure because it lists all of its subjects merely by themselves, in the form of exaclty one word, without any additional modifiers.

B.  It is implied that the second person is the subject.  Notice that the word "you" is never stated explicitly.

B.  The antecedent of the pronoun is a student, which we can infer is feminine in light of the phrase "whenever a student decides to switch her major in college".

It depends upon what the intended antecedent of the pronoun is.  If the intended antecedent of the pronoun is Jacob, then the answer is B.  However, if the intended antecedent of the pronoun is the local animal shelter, then the answer could be D if the local animal shelter is considered...

No, it does not make sense.  You extracted an essential component of the sentence.

The word should be "who" because it functions as the subject of the dependent clause in which it is located.

The question is asking whether we have any responsibility to disrupt or otherwise mitigate the oppression caused by racism.  In other words, the question is asking whether we ought to intervene against racial oppression.  The definition of racial oppression is many and varied, and really...

Yes, this sentence is grammatically well-formed and does not require revision.

3x-6y=2 4x+3y=-1   3x=2+6y x=(2+6y)/3   (4)[(2+6y)/3]+3y=-1 (8+24y)/3+3y=-1 (8+24y)/3=-1-3y 8+24y=-3-9y 33y=-11 y=-1/3   x=[2+6(-1/3)]/3 x=[2+(-2)]/3 x=0