A customer at a bagel shop is buying 13 bagels. The shopkeeper says, “That would be $16.25.” Jada, Priya, and Han, who are in the shop, all think it is a mistake.

Jada says to her friends, “Shouldn’t the total be $13.25?”
Priya says, “I think it should be $13.00.”
Han says, “No, I think it should be $11.25.”

Explain how the shopkeeper, Jada, Priya, and Han could all be right.

Which letters from the table represent like terms? a and b b and c a and d b and d

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?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.