In Lee's grade, 3/5 of the students have a sister. Of the students who have a sister, 1/2 also have a brother. What fraction of the students in Lee's grade have both a sister and a
brother?
Write your answer as a fraction or as a whole or mixed number.
of the students


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 value of x when x + 7 = 21?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length