Kara is 18 years younger than joseph. twelve years ago, joseph was 4 times as old as kara. find their present ages.

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%

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?