Which of the following polynomials is a perfect square trinomial? *

• 4x^2 + 24x + 36
•9x^2 – 25
•x² + 16x – 64

plz help will give brainliest!!!

What are “like terms”? why can we only add like terms?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

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%