What is the inequality and answer of this problem -> Eight plus one fourth of a number is less than or equal to six.

Is this a polynomial function? i need to know asap

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2