Aflower shop sold 3.5 times as many roses as lilies last week. which statement is true? a. there were 7 roses sold for every 2 lilies. b. the ratio of roses to lilies is 3 : 5 . c. the ratio of lilies to roses is 5 : 3 . d. if a total of 45 roses and lilies were sold, 10 of them were roses.

Whats the name of the vertical axis

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

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?