50 points plls ! this is very important plss

Solve for x, y, and z. show all steps.

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points