Pls answer ASAP due right now Find the difference.

Jeremy is practicing some tricks on his skateboard. One trick takes him forwards 6 feet, then he flips
around and moves backwards 7.9 feet, then he moves forward again for 1.9 feet.

What expression could be used to find how far Jeremy is from his starting position when he finishes the
trick?

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?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder