Find 3 points that solve the equation -x-y=0

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost