When asked to write the prime factorization of the number 27, a student wrote 9 times 3. explain the error and write the correct answer

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

What expression is equivalent to 42x-56y

Answer! if you don’t mind, can you explain