What is the value of x in the figure below? In this diagram, AABD - ACAD. D
20
O APP
OB. 10
O c.
OD. 1300
O E. 5
o
F. 20

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

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.