Help do i plug 7 in or still one? WILL MARK BRAINLIST

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Find the area of the unshaded square