Triangle abc is similar to triangle def . the length of ac is 12 cm. the length of bc is 18 cm. the length of df is 10 cm.
what is the length of ef?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Which of the following is the result of expanding the series

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.