Answer:

Step-by-step explanation:

Apply rule 

Multiply the numbers: 

Answer:
A
Step-by-step explanation:
hope this helped
Answer:
the answer of given question is $400.
A-10......C-he didn't notice that a domino has number that will equal 49 in multiplication but will not add up to be if its less than 4 dominos
Answer:
the answer is x=5
Step-by-step explanation:
hoped I helped:)