The algebraic expression 55 (4x) + 600 gives the cost in dollars to build a fence around a square park with side length x meters. The cost includes a fixed labor fee in addition to the cost of the fencing material. Interpret each of the following parts of the expression by matching it to its meaning.

Graph y = -|x| + 2. click on the graph until the correct one appears.

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.

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?