Please help I need this ASAP The profit when selling x pairs of shoes is defined by the function P(x) = -&r? +80r - 192. How many pairs of shoes should be sold to maximize the profit?
A 7pairs of shoes
B 6 pairs of shoes
C 4 pairs of shoes
D 5 pairs of shoes

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

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 are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?