Add & simplify the following: 7x +6 and the opposite of 20

Which statement best describes the polynomial

What is this inequality notation? t is less then or equal to 2

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?