Joe paid x dollars for a pair of jeans. dennis bought the same pair of jeans for half as much as joe. if they paid a total of $66 for the 2 pairs, how much did each spend on their jeans?

i need this i have 1 point till i have a a in math!

In the 30-60-90 triangle below side s has a length of and side r has a length

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?

(01.04 lc)multiply 1 over 6 multiplied by negative 1 over 2. negative 1 over 3 negative 1 over 12 1 over 12 1 over 3