What is the equation used to find the nth term of the arithmetic sequence: -9, -4 1, 6, 11...
a^n =-9-5n

a^n =5-9 (n-1 )

a^n =−9+(n−1)⋅5

a^n=-9 (5)^(n-1)

Can you me find the missing length. i attached an image.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

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.