In january, a bookstore sells 450 books, but in february, it sells only 300 books. what is the percent of change from january to february?

66.7%
-33.3%
50%
-50%

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

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%

Evaluate the expression. (9 + 5)(3 + 2)0