Answer:
15
Step-by-step explanation:
Co-efficient = number multiplied by a variable
The only number multiplied by a variable is 15, therefore, it's the co-efficient.
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Answer:
1/2(x+7)
Step-by-step explanation:
Answer:
the formula for a square pyramid is 
so I THINK its B please do not base ur answer from my opinion
Step-by-step explanation: