The freshman class has 160 students. each freshman must write three reports from a list of 12 novels that the teacher has assigned them to read. how many different combinations of novels can a freshman student choose to write reports on?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

If g^-1(x) is the inverse of g (x) which statement must be true

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your