The following cards are used in a game. If Ann selects a card at random, what is the probability that she selects a card with a tree on it, replaces it, and then selects a card with a dog on it?

A: 3/5
B: 3/10
C: 4/45
D: 2/25

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?