Rhianna and sauron a wrote 35 songs . they mad cds with 7 songs on each cd. how many cds did they have left after they sold 3 to their friends .?

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%

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2