Bob makes $15 per hour. He can create an equation to find his salary, y, for total hours worked, x, with the following equation: y = 15x. Which statement says that y is a function of x?

Group of answer choices

For some values of y, there is more than one value of y.

For every value of x, there is only one value of y.

For every value of y, there are two values of x.

For some values of y, there is more than one value of x.

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Which expression is equivalent to sq-80

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

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?