(sin teta + sec teta)^ + (cos teta+ cosec teta )^ = (1 + sec x cosec)^

Which number is irrational? a) 16 b) 18 c) 25 d) 36

Anyone know? will mark brainliest if correct!

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table