Mc graw hill
Questions & Answers

Obviously.

Most likely.

Of course, this website is cancer.

Most of the one higher than 1 star are sarcastic, like most of the five star is sarcastic

Yes

All of the 5 star rating are obviously contemptuous and/or sardonic. There have been NUMEROUS 5 star reviews that are grimly mocking.

Most likely or it was a parent or teacher that thinks it's the best thing in the world.

YES THEY WERE