An airplane flies at 250 mph. how far will it travel in 5 hours at that rate of speed?

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

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?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?