PLEASE HELP Dr. Silas studies a culture of bacteria under a microscope. The function represents the number of bacteria t hours after Dr. Silas begins her study. (a) What does the value 1200 represent in this situation? (b) What does the value 1.8 represent in this situation? (c) The number of bacteria in a second study is modeled by the function b₂(t) = 1000(1.8)^t What does the value of 1000 represent in this situation? What does the difference of 1200 and 1000 mean between the two studies?

What is coefficient of the term of degree of degree 5 in the polynomial below

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.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom