Answer:
153.86
Step-by-step explanation:
7^2 x 3.14
Answer:-18xy+2x-13y
Step-by-step explanation: combine like terms
Answer:
No, it is not.
Step-by-step explanation:
There is no way to simply this trinomial into two identical binomials.
Answer:
-4
Step-by-step explanation:
adding a negative is the same as subtracting a positive
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