Elena also drew a diagram to represent 0.4 - 0.03. She started by
drawing 4 rectangles. She then
replaced all 4 rectangles with 40
squares and crossed out 3 squares
to represent subtraction of 0.03,
leaving 37 squares in her diagram.
Is her diagram correct? Discuss
your reasoning with a partner.

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.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points