Answer:

Step-by-step explanation:
Given expression:

Remove parentheses:

Collect like terms:
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Combine like terms:

Answer:
3x(x2 + 4)
Then use the distributive property
SO the final answer would be: 3x^3 +12x
Step-by-step explanation:
Answer:
It would take her 5.85 minutes to run 1 kilometer.
Step-by-step explanation:
76/13= 5.846
Answer:
$2.76
Step-by-step explanation:
9/3.25=2.76