The jayden family eats at a restaurant that is having a 15% discount promotion. their meal costs $78.38 before the discount, and they leave a 20% tip. if the tip applies to the cost of the meal before the discount, what is the total cost of the meal? round your intermediate calculations and answer to the nearest cent.

Which value would be a solution for x in the inequality 47-4x< 7

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.