Amodel spaceship costs $15.99 before tax. the tax on the model spaceship is 8%.

what is the total cost of the model spaceship?

round your answer to the nearest cent.

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !