The function c(h)=(2h^2+5h)/(h^3+8) models the concentration of a medication in the bloodstream (as a percent), hours (h) after its injection into muscle tissue. a) suppose you need to readminister this injection at the point when the concentration is less than 0.5%. if the first injection was given at 8: 00 am, what time should the next injection be given?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

The longer leg of a 30-60-90 trangle is 18