A bookstore is selling books for $10 each. The graph below shows the relationship between the number of books, x, the store sold and the total amount of money, y, paid from the book sales. Write an equation that represents the relationship between the number of books sold and the total amount paid, in dollars.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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%

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?