The expression 937 ( 1+ x ) gives the markup price of a computer where x is the percent of the markup written in decimal form. What does 1 + x represent in the expression?

a.) markup price of the computer
b.) original price of the computer
c.) percent of the original price being paid
d.) percent of markup

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

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?