Find the length of the diameter of circle O. Round to the nearest tenth.

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?