The length of segment ef is 12 cm. triangle d e f is shown. angle e d f is 90 degrees, angle d e f is 30 degrees, and angle e f d is 60 degrees. the length of hypotenuse e f is 12 centimeters. which statements regarding triangle def are correct? select three options.

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?