Please i need your help and i will brainliest you please help

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

State if the two triangles are congruent. if they are, state how you know?