Thirty is 12% of what number?

G(x)=x2-16xb=-16, so =16 = 649(x) = (x2 - 16x + 64) - 649(x) = (x - 1)2-

Identify the number as a rational or irrational.explain. 127

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.