Anyone do math in alpha omega academy in 7th grade. I need answers and willing to give tons of points. Will remove if its absurd

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

What could explain what happened when the time was equal to 120 minutes

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.