I uploaded the answer here is the link : jim hb/
Answer:

Step-by-step explanation:
we know that
To find out how long is Ms.Smith’s bulletin board, multiply Mrs . Porcelli’s bulletin board by 3
so

but first convert mixed number to an improper fraction
so

substitute

convert to mixed number

Answer:
C
Step-by-step explanation:
there are infinitely many solutions since different values of x and y will work for this simultaneous equation
Answer:
Step-by-step explanation:
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