-5b2 is still considered to be like 5b2 because they share terms (the variable)
so it is the b that makes them alike the exponent and the negatives dont matter
<span>I suggest you to go with this answer: since a population parameter is usually not possible to compute ,one relies on A(n) average.</span>
Well some is simple. I know a little some problems don't need any rounding it depends what questions you have but that all I know sorry. :( but in my oppion
its either 0.393701. the same
X+x-17+39=180
2x+22=180
Subtract 22 from both sides
2x=158
X= 79