Emily and a friend bought two tickets to see a soccer game. Each ticket cost $7.25. The friends paid a total of $18.50, which included a free per ticket for tickets for parking near the stadium. How much did each friend pay for the parking fee? What is the parking fee as a percent increase in the cost of a ticket

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

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.