Answer:
all real numbers
Step-by-step explanation:
The domain of <em>any polynomial function</em> is "all real numbers." There is no value of x for which y is undefined.
I will mark brainlist please help
Story : A Dog’s Tale by Mark Twain
1. Using a dog as narrator gives the passage a tone of —
• objectivity
• formality
• bitterness
• humor
2. What literary device is used in the sentence “She had one word which she always kept on hand, and ready, like a life-preserver”?
• Simile
• Metaphor
• Hyperbole
• Onomatopoeia
3. Based on the second paragraph, the word mastiff most likely means —
• a large dog
• a male dog
• a man’s shirt
• a part of a ship
4. According to the author, what would bring such happiness to the dogs as he describes at the end of the story?
• They helped the author’s mother find the words she used, so they especially enjoyed watching her use them.
• They knew the meaning of “supererogation” and realized they were listening to a funny joke.
• Watching and laughing as others were embarrassed vindicated their own previous embarrassment.
• They were generally happy dogs who often expressed a great deal of joy.
5. “A Dog’s Tale” uses the topic of animal communication in order to —
• show how dogs really communicate
• explain how animals learn from humans
• demonstrate that dogs are smarter than most people
• poke fun at human behavior
6. The amount of time that passes during this story is most likely —
• 10 hours
• 10 days
• 10 months
• 10 years
7. An underlying theme in this story is that —
•many people use words without knowing their meanings
• dogs know more than people realize
• family loyalty takes top priority
• strangers are almost always suspicious
8. Since the author used first person, readers are left to wonder —
• how the author felt about his mother
• how strangers reacted to his mother’s word knowledge
• what the author’s mother was thinking
• whether or not the author’s mother knew the meanings of all the words she used
1. Move the negative sign to the left.
- 
*-50
2. Use this rule: 
=
-
3. Simplify - 
4. Move the negative sign to the left.
-(-950x/8)
5. Simplify 950x/8 to 475x/4
6. Remove parentheses.
Answer:
x=20
Step-by-step explanation:
(triangle angles must add up to 180º)
2x+10+2x+90=180
4x+100=180
4x=80
x=20
