Ryder shot a model rocket over an area that consists of two grassy areas, shown in green, and an area with no grass, shown in white. A square is split into 3 sections. The bottom section is 5 acres, the middle section is 30 acres, and the top section is 15 acres. The top and bottom sections are shaded. What is the probability that his model rocket has landed in a grassy area? 0.2 0.3 0.4 0.6

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.

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?

Convert 3,200,000 to a scientific notation.