Is this right??? Need answer fast

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?