Answer:
28.3
Step-by-step explanation:
9x3.142=28.27800 and if you round that it is 28.3
The answer to that would be “169”
Answer:
Option C. His answer is not correct, because the same can not be less than either attend
Step-by-step explanation:
we have

we know that



substitute
----> is not true
therefore
His answer is not correct, because the same can not be less than either attend
5x^2-3x^2= 2x^2
2x^2-14
2(x^2-7)