4. if a 325 mg sample of radioactive material decays to 195 mg in 72
hours. find the time it takes the material to break down for its half-life. (use the
basic model for half-life)

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

Correct answer brainliest asap an d 99 pointsss what are relative frequencies to the nearest hundredth of the columns of two way table column a 102, 18 colunm b 34, 14 answers choices 0.15 0.25 0.29 0.44 0.56 0.71 0.75 0.85

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%