At a sandwich shop they offer 3 kinds of bread, 5 kinds of meat, and 3 kinds of cheese. each type of sandwich has a combination of exactly 3 ingredients: 1 bread, 1 meat, and 1 cheese. how many types of sandwiches are possible?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

In the diagram, gef and hef are congruent. what is the value of x

If a line is defined by the equation y = 5x + 2, what is the slope?