How many periods of the function y = sec x are there between -π/2 and 3π/2?

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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.