In parallelogram abcd, the measure of angle abc is 3 times the measure of angle bcd. how many degrees are in the measure of angle adc?

Solve the system of equations. y= 2x y= x^2 - 15

What is the frequency of the sinusoidal graph?

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%