How many ways can someone purchase at least one CD from a group of 5 rock, 3 metal, and 7 punk CDs?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?

Jacob is graphing the line represented by the equation  −6x−5y=12.−6x−5y=12.  he first plots the  x-x-  and  y-interceptsy-intercepts  as follows.    which statement is correct regarding the intercepts on the graph?