At Make-Your-Own-Burrito Restaurant, there are 4 stations of the burrito assembly line. The first station provides you with your choice of either flour or corn tortillas. From the second, you choose steak, chicken, pork, or guacamole. The options at the third station are either black beans or pinto beans. From the fourth station, you pick any one salsa. You can pick only one item from each station. If there are 48 different burrito possibilities, from how many different salsas can you choose?

The ACT Mathematics Test contains 60 questions to be answered in 60 minutes.  The hardest ACT math questions (the last 10 to 15 questions) fall into two types: advanced concepts and complex questions. Advanced concepts questions cover what you learn in precalculus and trigonometry. FYI: Students that get into Harvard College have an ACT score of 34–36.