7what is the value of the expression -3x^2 y +4x when x = -4 and y = 2

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?

Use the squared identities to simplify sin^2x cos^2x

What is the slope of the line that has an equation of y equals x -3