A rectangle has width w and its length is 2 units shorter than 3 times the width. Does each polynomial represent the perimeter of the rectangle? A 2w + 3w - 2 + 3w - 2
Yes No

B 3w2 - 2w - 4
Yes No

C 8w-4
Yes No

D 2W + 3W +3w
Yes No​

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Write the following as a base and exponent

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.