Find an equation for the perpendicular bisector of the line segment whose endpoints are (-9, -1) and (3, – 7).

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?