Nancy needs to board her dog. Doggy care will take the dog for the initial fee of $5.00 and then $0.75 per hour. Dogs ate us will take the dog for an inroad fee of $3.00 and then $0.95 per hour. For how many hours is the cost of dog care the same for both places?

Which equation matches the graph shown ?

The total number of dental clinics total for the last 12 months was recorded

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.