Me with this answer the measure of arc qs is (4x-18)° what is the value of x?

What is the value of the expression below? (81^2)^1/8

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%

What is the average diastolic blood pressure for adults