Can you answer this question with all show work

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

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x