If 8.5 kilometers is about 4 miles, about how many
kilometers is 16 miles?
I asked this question last time but the answer I got was wrong so can y'all help my this is due like in an hour and it's the last question

In the diagram, gef and hef are congruent. what is the value of x

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 equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3