One package of socks cost $7. How many packages can you but with $56?

What could explain what happened when the time was equal to 120 minutes

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%

3x + 4y = 5 x- 3y = -7 solve by substitution