Mercucio believes that whenever a rectangle is rotated about a line, the result is always a cylinder. Do you agree or disagree? Justify your answer completely, explaining your decision.

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?