Tom wants to order tickets online so that he and three of his friends can go together to a water park. The cost of the tickets is $16.00 per person. There is also a $2.50 one-time service fee for ordering tickets online. Write an expression in terms of the variable n that represents the cost for ordering n tickets online. (WILL GIVE BRAINLIEST AND SHOW YOUR WORK)

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

I’m really confused and need your assist me with this question i’ve never been taught

This assignment is past the original due date o this data is from a sample. calculate the mean, standard deviation, and variance 16.7 11.1 46.7 14.8 13.3 16.6 18.5 47.3 42,8 show the following answers to 2 decimal places. sample mean- sample standard deviation ( use the standard deviation above for your calculation.) sample variance ooops- now you discover that the data was actually from a population! so now you must give the population standard deviation.