70 points simple question just dumb

given the following figures house and h'o'u's'e', describe a transformation that maps the pre-image onto its image. use complete sentences to explain your reasoning.

have a short simple answer then one in-depth explanation
(short answer required). (in-depth explanation not required but appreciated)

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?

92ft long and 48 wide resurface 2.75$