Use linear algebra techniques to find the center and the radius of the circle a(x^2 + y^2) + bx + cy + d = 0 through three given points (1, 0), (−1, 2),

and (3, 1). Sketch appropriate picture.

12 is 33 1/3% of 36 what is the whole

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1