Ian had 4 cases of comic books and 6 adventure books. each case holds c comic books. he gave 1 case of comic books to his friend. write an expression that gives the total number of books ian has left

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

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?