Can someone answer. there is one problem. there's a picture. you!

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

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)