Rex is 4 times as old as ted. if the sum of their ages is 30, how old is ted?

Aline passes through the point (2, -4) and has a slope of 0, what is the equation of the line? plz fast

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

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.