What are three ratios equal to 5/40

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

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

Need this asap if anyone can i would be very grateful. if you could show workings that would really