Translate one half of a number is four into an equation

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%

Don't know how to find x given these segment lengths

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form