Agift shop buys greeting card $3.50 each and sells them at 80% mark up. at what price dose the gift shop sell each greeting card?

What is the product of the radical expression. (7-2square root) (8+2 square root)

What is the solution to the equation 9^(x+1) =27

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%