Find the average rate of change of the function below over the interval [-2,0]​

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.