Gina looks at the architectural plan of a four-walled room in which the walls meet each other at right angles. the length of one wall in the plan is 17 inches. the length of the diagonal of the floor of the room in the plan is approximately 18.79 inches. is the room in the shape of a square? explain how you determined your answer. show all your work.

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

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.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x