SOMEONE PLEASE ANSWER THAT IS LITERALLY THE LAST QUESTION THAT'S THE LAST THING I NEED TO TURN IN TO MY TEACHER THEN THAT'S ALL just help me with this

What are the domain and range of the function? f(x) = -4 (sqrt)x

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

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?