Pema's bedroom is 18 feet long and 14 feet wide. She drew the plan below to divide the room into sections. Which shows how to find the area of the Study Corner? 10 ft x 7 ft = 70 sq ft 7 ft + 4 ft = 11 sq ft 10 ft Bed Study Corner 4 ft x 7 ft = 28 sq ft 4 ft Play Area Closet 10 ft + 7 ft = 17 sq ft

30 determine the coefficient on x 12 y 24 x12y24 in ( x 3 + 2 x y 2 + y + 3 ) 18 . (x3+2xy2+y+3)18. (be careful, as x x and y y now appear in multiple terms! )

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

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.