If the value of b is 7, then what is the value of the expression -3b2 + 25 = ?
1 answer:
I got -17, so if you are answering in absolute values then C.17 is correct
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As an equation, we have:
69+42=5+(146-x)
You just have to simplify:
111=5+(146-x)
106=146-x
-40=-x
40=x
Your unknown number is 40
Answer z=2
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