I really need help please​

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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%