How do you calculate the area of triangle def?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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%

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?