Will give brainiest and thx for the help

What is the absolute value of the complex number -4-sqrt2i

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?

What is the y-intercept of the line with the equation 3x + 4y = 12?