What to do if there's no common factor in an algebrac expression?

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

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

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?