Simplify the following expressions. 1) (6+6i) - (2+i) 2) (9+4i)(9+4i) 3) (8+i)(2+7i)

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?

The product of 3 and a number increased by 8 is 31

Which graph shows the solution set of x^2+4-12x/> 0