Forty percent of the shoes in Rosemary's closet are white. One shoe is chosen and replaced. Another shoe is chosen and replaced. Then a third shoe is chosen. What is the probability that none of the chosen shoes are white?

What is the distance between (–2 1/2,-3) and (1, –3)?

What is the area of the trapezoid shown ?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?