Afour-man bobsled team wanted to try changing their seating positions. how many different ways can they sit in the bobsled (from front to back)? explain how to arrive at the answer too, thx.

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 equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)

The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set