Part iii
answer all 3 questions in this part. each correct answer will receive 3 credits. clearly
indicate the necessary steps, including appropriate formula substitutions, diagrams, graphs,
charts, etc. for all questions in this part, a correct numerical answer with no work shown will
receive only
credit. all answers should be written in pen, except for graphs and drawings,
which should be done in pencil. [9]
a dvd costs twice as much as a music cd. jack buys 2 dvds and 2 cds and spends $45.
determine how much one cd costs, in dollars. [only an algebraic solution can receive full credit.]

0/5 is 0, 2/0 is undefined, and 0/0 is indeterminate.

step-by-step explanation:

hope my answer has you!

the clues that signal the reader should change tone are the punctuation marks, the grammatical signs. for example, the quotation marks at the beginning of something someone else said literally or the exclamation marks.

the tone of the first line of dialogue until "gettysburg" is a kind tone, a tone of advise. the narrator is trying to the other person in doing something he or she obviously is finding hard to do by giving a piece of advise and bringing up a memory of a successful similar case.

the clue that the reader understand how to read the word "bang" is the exclamation mark. it gives the word a surprise tone, a strong accent.

the best tone for reading the word "bang" is an exciting tone, a surprise one, even a loud one.

the words that should be read with a formal tone are the ones that give factual information. the sentence: mister lincoln couldn't think of anything to say at the gettysburg" gives information about an event and it needs to be read formally, also, when the narrator wants to transmit calmness, a formal and slow tone is needed, because people also transmit messages with the vibrations of our voices and tones.