20. A square with sides 1 inch long is (20,91) divided into 2-by-2-inch rectangles,
(a) What is the
of each
2-by-2-in, rectangle?
(b) What fraction of the square is
shaded?

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 ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

How can (square root of 25) ^2 be rewritten?