The store bought a pair of shoes fo $50, and sold it for $80. what percentage was the markup

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%

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?