Roberta makes nine dollars an hour plus a 12.5% commission selling jewelry how much does she earn on an eight hour shift in which she sells $380 worth of jewelry

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Which representation has a constant of variation of -2.5

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)