the relationship between two variables a and b is proportional. when a is 3 b is 25.5. write an equation to represent this relation​

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.