Tony Stark had a birthday party at Roscoe's Chicken and Waffles restaurant. His meal cost $45. He left a 15% tip. How much was the TOTAL cost of the meal. (that means to take the $ x % to find tip; add it back to the meal cost)

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

i dont know sorry

step-by-step explanation: