Which expression is equivalent to sec^2 x cot^2 x?

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

The sum of two numbers is 12 and their difference is 18 what are the two numbers