The largest number that is a common multiple of 2 and 3

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Which of the following shows the length of the third side, in inches, of the triangle below

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?