Robert is making a map for Geography. In order to draw the map, he must create a scale converting the measured inches on the map to actual miles. Length in Inches 1114 11/2131421/4 21/22314 Length in Miles 60 84 108 120 132 72 Use the table above to identify the scale he used for his map. A. 1 in = 48 miles

B. 1 in = 16 miles

C. 1 in = 24 miles

D. 1 in = 12 miles

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

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.