Find the coordinates of R if M(-4,5) is the midpoint of RS and S has coordinates of (0,10)

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

How do you find the distance of each number from the mean

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?