X^2 − 2x + y^2− 8y = 8 this is the actual question! Sorry about the last two post.

What number must you add to complete the square x^2+12x=16

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

In the diagram, gef and hef are congruent. what is the value of x