Answer: <em>the answer would be</em> <em>C</em>, 12.
Step-by-step explanation: The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
How to get answer by Mimiwhatsup:

Answer:
=2.90d
Step-by-step explanation:
i think is that hope IT help
Answer:
Step-by-step explanation:
Let x be the adult weight of puppy B
75% of x =8 pounds
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