Help please show the work if you can

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

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?