An arc on a circle measures 85°. the measure of the central angle, in radians, is within which range?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

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%