8 pairs of jeans and 10 shirts cost $80. The cost for 9 pairs of jeans and 5 shirts is $65. Find the cost of each pair of jeans and shirts.

(x-5)1/2+5=2 what is a possible solution?

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?

What is the measure of sty in oo below? 130 310 230 50