(show work) from january to february of the second year, a 0.2% change in disposable income was reported. if the january amount was 12.43 million dollars, what would be the february amount be? round your answer to two decimal places.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Which expression is rational? 6. , square root two, square root 14, square root 49

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.