The local water tower can hold up to 10,000 gallons of water during peak rain season. During a dry spell it loses about 7% of its remaining water each week due to evaporation and small leaks in the tower. If the tower is completely full at the end of March and it doesn't rain for 14 weeks, how much water will be left in the tower after 14 weeks?

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

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?

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?