Afish market bought two swordfish at a rate of $13 per pound. the cost of the larger fish was 3 times as great as the cost of the smaller fish. the total cost of the two fish was $3952. how much did each fish weigh?

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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?