Uses of Commas

Is the sentence below written correctly with a comma? 
 
I walk to school, for I missed the bus. 

• Correct
• Incorrect

Is this sentence written correctly with commas? 
Would you like cherry, coke or plain coke? 

• Correct 
• Incorrect

In order to, go to the movie I must finish my homework. 
Correct or Incorrect comma use?

• Correct
• Incorrect

I purchased the new Zany Bop, for $150 from Steve.
Where should the other comma go?

• after $150
• before $150
• after Zany
• before Bop

I traveled to Alaska the largest U.S. state, for two weeks.
Where should the other comma go?

• after Alaska
• before Alaska
• after largest 
• before traveled

What comma rule does this sentence follow:
I like bears, beets, and Battlestar Galactica.  

• Rule #4: Commas separate items in a series of three or more.
• Rule #1: Commas separate conjunctions within a sentence
• Rule #5: Commas separate adjectives which describe a noun
• Rule #3: Commas separate non-essential information 

What comma rule does this sentence follow:
I love to take walks on the beach, yet I hate the salty sea water.

• Rule #4: Commas separate items in a series of three or more.
• Rule #1: Commas separate conjunctions within a sentence
• Rule #5: Commas separate adjectives which describe a noun
• Rule #3: Commas separate non-essential information 

What comma rule does this sentence follow:
The warm, salty ocean was relaxing to listen to. 

• Rule #4: Commas separate items in a series of three or more.
• Rule #1: Commas separate conjunctions within a sentence
• Rule #5: Commas separate adjectives which describe a noun
• Rule #3: Commas separate non-essential information 

What comma rule does this sentence follow:
Isaac, also a twin, was talking with the scientists about twin behaviors. 

• Rule #4: Commas separate items in a series of three or more.
• Rule #1: Commas separate conjunctions within a sentence
• Rule #5: Commas separate adjectives which describe a noun
• Rule #3: Commas separate non-essential information 

Is this sentence written correctly with a comma: My dog barks loudly, at the mailman, everyday.

• Correct
• Incorrect