If you can show two similar triangles, you can use the proportional relationship between the side lengths of the triangles with the definitions of slope and opposite reciprocals to show that the slopes of the two perpendicular lines are opposite reciprocals. Which pair of triangles can be proved similar to complete the proof?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9