Can someone help me with B?

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

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8