Using 푛푛 to represent the cost of an item in dollars before tax and 푡푡 to represent the amount of sales tax in dollars for that item, write an equation to show the relationship between 푛푛 and 푡푡.

If a boat travels 3 miles in 1.5 hours how far will it travel in 1 hour

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables