Distribute and simplify these radicals. I need help!

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 trigonometric ratios sine and secant are reciprocals of each other

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels