2. The equation of a circle is given by 3x² +6x + 3y2 +9y-3=0. Find the coordinates of the centre. A. (-2, Ž) B. (-1, - Ž) C. (1, - Ž) D. (2,-3)​

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585