In the diagram below BC is an altitude of ABD. To the nearest whole unit, what is the length of CD?

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%

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?