A grocery store sells three different quantities of sugar. A 1-pound bag costs $1.08, a 2-pound bag costs $1.86, and a 3-pound bag costs $2.76. Enter the unit cost in price per pound for each. Complete the
description about how the unit cost changes as the quantity of sugar increases.

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

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?

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.