Aproportional relationship is represented by the equation 2x = 18y. if y = kx, where k is the constant of proportionality, find the value of k.

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

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?