Which expression is equivalent to −4.7+(−0.3)+(−1.4)−4.7+(−0.3)+(−1.4 ) ?

−4.7−(0.3−1.4)−4.7−(0.3−1.4)

−(4.7+0.3+1.4)−(4.7+0.3+1.4)

(4.7+0.3)+(−1.4)(4.7+0.3)+(−1.4)

−4.7+(0.3+1.4)

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Which of the following could be the graph of the equation y = -2x + 5

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

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.