Tory goes shopping and buys pencils and notebooks. if tory buys a total of 8 items, p of which are pencils, write an expression for the number of notebooks tory buys. if each pencil costs $0.29 and each notebook costs $2.59, write expressions for: how much tory spends on pencils. how much tory spends on notebooks. how much tory spends altogether. if tory's bill is $9.22, how many pencils does tory buy?

Write a story that matches with the expression 42x-5 pls hurry

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.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?